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754 lines
23 KiB
754 lines
23 KiB
// +-----------------------------------------------------------------------+ |
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// | Copyright (c) 2002-2003, Richard Heyes, Harald Radi | |
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// | All rights reserved. | |
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// | | |
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// | Redistribution and use in source and binary forms, with or without | |
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// | modification, are permitted provided that the following conditions | |
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// | are met: | |
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// | | |
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// | o Redistributions of source code must retain the above copyright | |
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// | notice, this list of conditions and the following disclaimer. | |
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// | o Redistributions in binary form must reproduce the above copyright | |
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// | notice, this list of conditions and the following disclaimer in the | |
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// | documentation and/or other materials provided with the distribution.| |
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// | o The names of the authors may not be used to endorse or promote | |
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// | products derived from this software without specific prior written | |
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// | permission. | |
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// | | |
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// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
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// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
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// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
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// | A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | |
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// | OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | |
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// | SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
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// | LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
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// | DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
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// | THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
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// | (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
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// | OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
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// | | |
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// +-----------------------------------------------------------------------+ |
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// | Author: Richard Heyes <richard@phpguru.org> | |
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// | Harald Radi <harald.radi@nme.at> | |
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// +-----------------------------------------------------------------------+ |
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// |
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// $Id$ |
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|
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/** |
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* Function to create copies of objects which are |
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* normally passed around by references (Arrays for example) |
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*/ |
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function arrayCopy(input) |
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{ |
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var output = new Array(input.length); |
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for (i in input) { |
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if (typeof(input[i]) == 'array') { |
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output[i] = arrayCopy(input[i]); |
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} else { |
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output[i] = input[i]; |
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} |
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} |
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return output; |
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} |
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/** |
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* TreeMenu class |
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*/ |
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function TreeMenu(iconpath, myname, linkTarget, defaultClass, usePersistence, noTopLevelImages) |
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{ |
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// Properties |
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this.iconpath = iconpath; |
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this.myname = myname; |
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this.linkTarget = linkTarget; |
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this.defaultClass = defaultClass; |
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this.usePersistence = usePersistence; |
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this.noTopLevelImages = noTopLevelImages; |
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this.n = new Array(); |
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this.output = ''; |
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this.nodeRefs = new Array(); |
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this.branches = new Array(); |
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this.branchStatus = new Array(); |
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this.layerRelations = new Array(); |
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this.childParents = new Array(); |
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this.cookieStatuses = new Array(); |
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this.preloadImages(); |
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} |
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/** |
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* Adds a node to the tree |
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*/ |
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TreeMenu.prototype.addItem = function (newNode) |
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{ |
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newIndex = this.n.length; |
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this.n[newIndex] = newNode; |
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return this.n[newIndex]; |
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} |
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/** |
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* Preload images hack for Mozilla |
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*/ |
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TreeMenu.prototype.preloadImages = function () |
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{ |
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var plustop = new Image; plustop.src = this.iconpath + '/plustop.gif'; |
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var plusbottom = new Image; plusbottom.src = this.iconpath + '/plusbottom.gif'; |
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var plus = new Image; plus.src = this.iconpath + '/plus.gif'; |
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var minustop = new Image; minustop.src = this.iconpath + '/minustop.gif'; |
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var minusbottom = new Image; minusbottom.src = this.iconpath + '/minusbottom.gif'; |
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var minus = new Image; minus.src = this.iconpath + '/minus.gif'; |
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var branchtop = new Image; branchtop.src = this.iconpath + '/branchtop.gif'; |
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var branchbottom = new Image; branchbottom.src = this.iconpath + '/branchbottom.gif'; |
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var branch = new Image; branch.src = this.iconpath + '/branch.gif'; |
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var linebottom = new Image; linebottom.src = this.iconpath + '/linebottom.gif'; |
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var line = new Image; line.src = this.iconpath + '/line.gif'; |
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} |
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/** |
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* Main function that draws the menu and assigns it |
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* to the layer (or document.write()s it) |
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*/ |
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TreeMenu.prototype.drawMenu = function ()// OPTIONAL ARGS: nodes = [], level = [], prepend = '', expanded = false, visbility = 'inline', parentLayerID = null |
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{ |
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/** |
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* Necessary variables |
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*/ |
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var output = ''; |
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var modifier = ''; |
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var layerID = ''; |
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var parentLayerID = ''; |
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/** |
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* Parse any optional arguments |
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*/ |
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var nodes = arguments[0] ? arguments[0] : this.n |
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var level = arguments[1] ? arguments[1] : []; |
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var prepend = arguments[2] ? arguments[2] : ''; |
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var expanded = arguments[3] ? arguments[3] : false; |
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var visibility = arguments[4] ? arguments[4] : 'inline'; |
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var parentLayerID = arguments[5] ? arguments[5] : null; |
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var currentlevel = level.length; |
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for (var i=0; i<nodes.length; i++) { |
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level[currentlevel] = i+1; |
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layerID = this.myname + '_' + 'node_' + this.implode('_', level); |
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/** |
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* Store this object in the nodeRefs array |
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*/ |
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this.nodeRefs[layerID] = nodes[i]; |
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/** |
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* Store the child/parent relationship |
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*/ |
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this.childParents[layerID] = parentLayerID; |
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/** |
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* Gif modifier |
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*/ |
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if (i == 0 && parentLayerID == null) { |
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modifier = nodes.length > 1 ? "top" : 'single'; |
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} else if(i == (nodes.length-1)) { |
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modifier = "bottom"; |
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} else { |
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modifier = ""; |
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} |
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/** |
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* Single root branch is always expanded |
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*/ |
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if (!this.doesMenu() || (parentLayerID == null && (nodes.length == 1 || this.noTopLevelImages))) { |
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expanded = true; |
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} else if (nodes[i].expanded) { |
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expanded = true; |
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} else { |
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expanded = false; |
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} |
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/** |
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* Make sure visibility is correct based on parent status |
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*/ |
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visibility = this.checkParentVisibility(layerID) ? visibility : 'none'; |
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/** |
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* Setup branch status and build an indexed array |
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* of branch layer ids |
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*/ |
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if (nodes[i].n.length > 0) { |
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this.branchStatus[layerID] = expanded; |
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this.branches[this.branches.length] = layerID; |
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} |
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/** |
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* Setup toggle relationship |
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*/ |
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if (!this.layerRelations[parentLayerID]) { |
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this.layerRelations[parentLayerID] = new Array(); |
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} |
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this.layerRelations[parentLayerID][this.layerRelations[parentLayerID].length] = layerID; |
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/** |
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* Branch images |
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*/ |
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var gifname = nodes[i].n.length && this.doesMenu() && nodes[i].isDynamic ? (expanded ? 'minus' : 'plus') : 'branch'; |
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var iconName = expanded && nodes[i].expandedIcon ? nodes[i].expandedIcon : nodes[i].icon; |
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var iconimg = nodes[i].icon ? this.stringFormat('<img src="{0}/{1}" width="20" height="20" align="top" id="icon_{2}">', this.iconpath, iconName, layerID) : ''; |
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/** |
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* Add event handlers |
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*/ |
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var eventHandlers = ""; |
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for (j in nodes[i].events) { |
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eventHandlers += this.stringFormat('{0}="{1}" ', j, nodes[i].events[j]); |
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} |
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/** |
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* Build the html to write to the document |
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* IMPORTANT: |
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* document.write()ing the string: '<div style="display:...' will screw up nn4.x |
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*/ |
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var layerTag = this.doesMenu() ? this.stringFormat('<div id="{0}" style="display: {1}" class="{2}">', layerID, visibility, (nodes[i].cssClass ? nodes[i].cssClass : this.defaultClass)) : this.stringFormat('<div class="{0}">', nodes[i].cssClass ? nodes[i].cssClass : this.defaultClass); |
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var onMDown = this.doesMenu() && nodes[i].n.length && nodes[i].isDynamic ? this.stringFormat('onmousedown="{0}.toggleBranch(\'{1}\', true)" style="cursor: pointer; cursor: hand"', this.myname, layerID) : ''; |
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var imgTag = this.stringFormat('<img src="{0}/{1}{2}.gif" width="20" height="20" align="top" border="0" name="img_{3}" {4}>', this.iconpath, gifname, modifier, layerID, onMDown); |
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var linkTarget= nodes[i].linkTarget ? nodes[i].linkTarget : this.linkTarget; |
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var linkStart = nodes[i].link ? this.stringFormat('<a href="{0}" target="{1}">', nodes[i].link, linkTarget) : ''; |
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var linkEnd = '</a>'; |
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this.output += this.stringFormat('{0}<nobr>{1}{2}{3}{4}<span {5}>{6}</span>{7}</nobr><br /></div>', |
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layerTag, |
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prepend, |
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parentLayerID == null && (nodes.length == 1 || this.noTopLevelImages) ? '' : imgTag, |
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iconimg, |
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linkStart, |
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eventHandlers, |
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nodes[i].title, |
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linkEnd); |
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/** |
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* Traverse sub nodes ? |
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*/ |
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if (nodes[i].n.length) { |
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/** |
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* Determine what to prepend. If there is only one root |
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* node then the prepend to pass to children is nothing. |
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* Otherwise it depends on where we are in the tree. |
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*/ |
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if (parentLayerID == null && (nodes.length == 1 || this.noTopLevelImages)) { |
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var newPrepend = ''; |
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} else if (i < (nodes.length - 1)) { |
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var newPrepend = prepend + this.stringFormat('<img src="{0}/line.gif" width="20" height="20" align="top">', this.iconpath); |
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} else { |
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var newPrepend = prepend + this.stringFormat('<img src="{0}/linebottom.gif" width="20" height="20" align="top">', this.iconpath); |
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} |
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this.drawMenu(nodes[i].n, |
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arrayCopy(level), |
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newPrepend, |
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nodes[i].expanded, |
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expanded ? 'inline' : 'none', |
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layerID); |
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} |
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} |
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} |
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/** |
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* Writes the output generated by drawMenu() to the page |
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*/ |
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TreeMenu.prototype.writeOutput = function () |
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{ |
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document.write(this.output); |
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} |
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/** |
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* Toggles a branches visible status. Called from resetBranches() |
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* and also when a +/- graphic is clicked. |
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*/ |
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TreeMenu.prototype.toggleBranch = function (layerID, updateStatus) // OPTIONAL ARGS: fireEvents = true |
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{ |
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var currentDisplay = this.getLayer(layerID).style.display; |
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var newDisplay = (this.branchStatus[layerID] && currentDisplay == 'inline') ? 'none' : 'inline'; |
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var fireEvents = arguments[2] != null ? arguments[2] : true; |
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for (var i=0; i<this.layerRelations[layerID].length; i++) { |
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if (this.branchStatus[this.layerRelations[layerID][i]]) { |
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this.toggleBranch(this.layerRelations[layerID][i], false); |
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} |
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this.getLayer(this.layerRelations[layerID][i]).style.display = newDisplay; |
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} |
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if (updateStatus) { |
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this.branchStatus[layerID] = !this.branchStatus[layerID]; |
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/** |
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* Persistence |
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*/ |
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if (this.doesPersistence() && !arguments[2] && this.usePersistence) { |
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this.setExpandedStatusForCookie(layerID, this.branchStatus[layerID]); |
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} |
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/** |
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* Fire custom events |
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*/ |
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if (fireEvents) { |
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nodeObject = this.nodeRefs[layerID]; |
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if (nodeObject.ontoggle != null) { |
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eval(nodeObject.ontoggle); |
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} |
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if (newDisplay == 'none' && nodeObject.oncollapse != null) { |
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eval(nodeObject.oncollapse); |
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} else if (newDisplay == 'inline' && nodeObject.onexpand != null){ |
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eval(nodeObject.onexpand); |
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} |
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} |
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// Swap image |
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this.swapImage(layerID); |
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} |
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// Swap icon |
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this.swapIcon(layerID); |
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} |
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/** |
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* Swaps the plus/minus branch images |
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*/ |
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TreeMenu.prototype.swapImage = function (layerID) |
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{ |
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var imgSrc = document.images['img_' + layerID].src; |
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var re = /^(.*)(plus|minus)(bottom|top|single)?.gif$/ |
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if (matches = imgSrc.match(re)) { |
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document.images['img_' + layerID].src = this.stringFormat('{0}{1}{2}{3}', |
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matches[1], |
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matches[2] == 'plus' ? 'minus' : 'plus', |
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matches[3] ? matches[3] : '', |
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'.gif'); |
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} |
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} |
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/** |
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* Swaps the icon for the expanded icon if one |
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* has been supplied. |
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*/ |
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TreeMenu.prototype.swapIcon = function (layerID) |
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{ |
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if (document.images['icon_' + layerID]) { |
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var imgSrc = document.images['icon_' + layerID].src; |
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if (this.nodeRefs[layerID].icon && this.nodeRefs[layerID].expandedIcon) { |
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var newSrc = (imgSrc.indexOf(this.nodeRefs[layerID].expandedIcon) == -1 ? this.nodeRefs[layerID].expandedIcon : this.nodeRefs[layerID].icon); |
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document.images['icon_' + layerID].src = this.iconpath + '/' + newSrc; |
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} |
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} |
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} |
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/** |
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* Can the browser handle the dynamic menu? |
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*/ |
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TreeMenu.prototype.doesMenu = function () |
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{ |
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return (is_ie4up || is_nav6up || is_gecko || is_opera7); |
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} |
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/** |
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* Can the browser handle save the branch status |
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*/ |
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TreeMenu.prototype.doesPersistence = function () |
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{ |
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return (is_ie4up || is_gecko || is_nav6up || is_opera7); |
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} |
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/** |
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* Returns the appropriate layer accessor |
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*/ |
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TreeMenu.prototype.getLayer = function (layerID) |
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{ |
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if (is_ie4) { |
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return document.all(layerID); |
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} else if (document.getElementById(layerID)) { |
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return document.getElementById(layerID); |
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} else if (document.all(layerID)) { |
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return document.all(layerID); |
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} |
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} |
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/** |
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* Save the status of the layer |
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*/ |
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TreeMenu.prototype.setExpandedStatusForCookie = function (layerID, expanded) |
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{ |
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this.cookieStatuses[layerID] = expanded; |
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this.saveCookie(); |
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} |
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/** |
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* Load the status of the layer |
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*/ |
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TreeMenu.prototype.getExpandedStatusFromCookie = function (layerID) |
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{ |
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if (this.cookieStatuses[layerID]) { |
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return this.cookieStatuses[layerID]; |
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} |
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return false; |
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} |
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/** |
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* Saves the cookie that holds which branches are expanded. |
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* Only saves the details of the branches which are expanded. |
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*/ |
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TreeMenu.prototype.saveCookie = function () |
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{ |
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var cookieString = new Array(); |
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for (var i in this.cookieStatuses) { |
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if (this.cookieStatuses[i] == true) { |
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cookieString[cookieString.length] = i; |
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} |
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} |
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document.cookie = 'TreeMenuBranchStatus=' + cookieString.join(':'); |
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} |
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/** |
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* Reads cookie parses it for status info and |
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* stores that info in the class member. |
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*/ |
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TreeMenu.prototype.loadCookie = function () |
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{ |
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var cookie = document.cookie.split('; '); |
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for (var i=0; i < cookie.length; i++) { |
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var crumb = cookie[i].split('='); |
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if ('TreeMenuBranchStatus' == crumb[0] && crumb[1]) { |
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var expandedBranches = crumb[1].split(':'); |
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for (var j=0; j<expandedBranches.length; j++) { |
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this.cookieStatuses[expandedBranches[j]] = true; |
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} |
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} |
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} |
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} |
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/** |
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* Reset branch status |
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*/ |
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TreeMenu.prototype.resetBranches = function () |
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{ |
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if (!this.doesPersistence()) { |
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return false; |
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} |
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this.loadCookie(); |
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for (var i=0; i<this.branches.length; i++) { |
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var status = this.getExpandedStatusFromCookie(this.branches[i]); |
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// Only update if it's supposed to be expanded and it's not already |
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if (status == true && this.branchStatus[this.branches[i]] != true) { |
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if (this.checkParentVisibility(this.branches[i])) { |
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this.toggleBranch(this.branches[i], true, false); |
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} else { |
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this.branchStatus[this.branches[i]] = true; |
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this.swapImage(this.branches[i]); |
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} |
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} |
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} |
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} |
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/** |
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* ViSolve - Function to expand all the branches |
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*/ |
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TreeMenu.prototype.expandAll = function () |
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{ |
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if (!this.doesPersistence()) { |
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return false; |
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} |
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this.loadCookie(); |
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for (var i=0; i<this.branches.length; i++) { |
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var status = this.getExpandedStatusFromCookie(this.branches[i]); |
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// Only update if it's supposed to be expanded and it is |
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if (status == false && this.branchStatus[this.branches[i]] == false) { |
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if (this.checkParentVisibility(this.branches[i])) { |
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this.toggleBranch(this.branches[i], true, false); |
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} else { |
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this.branchStatus[this.branches[i]] = true; |
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this.swapImage(this.branches[i]); |
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} |
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} |
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} |
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} |
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/** |
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* Collapse all branches |
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*/ |
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TreeMenu.prototype.collapseAll = function () |
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{ |
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|
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if (!this.doesPersistence()) { |
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return false; |
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} |
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this.loadCookie(); |
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for (var i=0; i<this.branches.length; i++) { |
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var status = this.getExpandedStatusFromCookie(this.branches[i]); |
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// Only update if it's supposed to be expanded and it is |
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if (status == true && this.branchStatus[this.branches[i]] == true) { |
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if (this.checkParentVisibility(this.branches[i])) { |
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this.toggleBranch(this.branches[i], true, false); |
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} else { |
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this.branchStatus[this.branches[i]] = true; |
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this.swapImage(this.branches[i]); |
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} |
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} |
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} |
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} |
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/** |
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* Checks whether a branch should be open |
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* or not based on its parents' status |
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*/ |
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TreeMenu.prototype.checkParentVisibility = function (layerID) |
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{ |
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if (this.in_array(this.childParents[layerID], this.branches) |
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&& this.branchStatus[this.childParents[layerID]] |
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&& this.checkParentVisibility(this.childParents[layerID]) ) { |
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return true; |
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} else if (this.childParents[layerID] == null) { |
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return true; |
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} |
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return false; |
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} |
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/** |
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* New C# style string formatter |
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*/ |
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TreeMenu.prototype.stringFormat = function (strInput) |
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{ |
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var idx = 0; |
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for (var i=1; i<arguments.length; i++) { |
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while ((idx = strInput.indexOf('{' + (i - 1) + '}', idx)) != -1) { |
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strInput = strInput.substring(0, idx) + arguments[i] + strInput.substr(idx + 3); |
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} |
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} |
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return strInput; |
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} |
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/** |
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* Also much adored, the PHP implode() function |
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*/ |
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TreeMenu.prototype.implode = function (seperator, input) |
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{ |
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var output = ''; |
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for (var i=0; i<input.length; i++) { |
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if (i == 0) { |
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output += input[i]; |
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} else { |
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output += seperator + input[i]; |
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} |
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} |
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return output; |
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} |
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|
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/** |
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* Aah, all the old favourites are coming out... |
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*/ |
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TreeMenu.prototype.in_array = function (item, arr) |
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{ |
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for (var i=0; i<arr.length; i++) { |
|
if (arr[i] == item) { |
|
return true; |
|
} |
|
} |
|
|
|
return false; |
|
} |
|
|
|
/** |
|
* TreeNode Class |
|
*/ |
|
function TreeNode(title, icon, link, expanded, isDynamic, cssClass, linkTarget, expandedIcon) |
|
{ |
|
this.title = title; |
|
this.icon = icon; |
|
this.expandedIcon = expandedIcon; |
|
this.link = link; |
|
this.expanded = expanded; |
|
this.isDynamic = isDynamic; |
|
this.cssClass = cssClass; |
|
this.linkTarget = linkTarget; |
|
this.n = new Array(); |
|
this.events = new Array(); |
|
this.handlers = null; |
|
this.oncollapse = null; |
|
this.onexpand = null; |
|
this.ontoggle = null; |
|
} |
|
|
|
/** |
|
* Adds a node to an already existing node |
|
*/ |
|
TreeNode.prototype.addItem = function (newNode) |
|
{ |
|
newIndex = this.n.length; |
|
this.n[newIndex] = newNode; |
|
|
|
return this.n[newIndex]; |
|
} |
|
|
|
/** |
|
* Sets an event for this particular node |
|
*/ |
|
TreeNode.prototype.setEvent = function (eventName, eventHandler) |
|
{ |
|
switch (eventName.toLowerCase()) { |
|
case 'onexpand': |
|
this.onexpand = eventHandler; |
|
break; |
|
|
|
case 'oncollapse': |
|
this.oncollapse = eventHandler; |
|
break; |
|
|
|
case 'ontoggle': |
|
this.ontoggle = eventHandler; |
|
break; |
|
|
|
default: |
|
this.events[eventName] = eventHandler; |
|
} |
|
} |
|
|
|
/** |
|
* That's the end of the tree classes. What follows is |
|
* the browser detection code. |
|
*/ |
|
|
|
|
|
//<!-- |
|
// Ultimate client-side JavaScript client sniff. Version 3.03 |
|
// (C) Netscape Communications 1999-2001. Permission granted to reuse and distribute. |
|
// Revised 17 May 99 to add is_nav5up and is_ie5up (see below). |
|
// Revised 20 Dec 00 to add is_gecko and change is_nav5up to is_nav6up |
|
// also added support for IE5.5 Opera4&5 HotJava3 AOLTV |
|
// Revised 22 Feb 01 to correct Javascript Detection for IE 5.x, Opera 4, |
|
// correct Opera 5 detection |
|
// add support for winME and win2k |
|
// synch with browser-type-oo.js |
|
// Revised 26 Mar 01 to correct Opera detection |
|
// Revised 02 Oct 01 to add IE6 detection |
|
|
|
// Everything you always wanted to know about your JavaScript client |
|
// but were afraid to ask. Creates "is_" variables indicating: |
|
// (1) browser vendor: |
|
// is_nav, is_ie, is_opera, is_hotjava, is_webtv, is_TVNavigator, is_AOLTV |
|
// (2) browser version number: |
|
// is_major (integer indicating major version number: 2, 3, 4 ...) |
|
// is_minor (float indicating full version number: 2.02, 3.01, 4.04 ...) |
|
// (3) browser vendor AND major version number |
|
// is_nav2, is_nav3, is_nav4, is_nav4up, is_nav6, is_nav6up, is_gecko, is_ie3, |
|
// is_ie4, is_ie4up, is_ie5, is_ie5up, is_ie5_5, is_ie5_5up, is_ie6, is_ie6up, is_hotjava3, is_hotjava3up, |
|
// is_opera2, is_opera3, is_opera4, is_opera5, is_opera5up |
|
// (4) JavaScript version number: |
|
// is_js (float indicating full JavaScript version number: 1, 1.1, 1.2 ...) |
|
// (5) OS platform and version: |
|
// is_win, is_win16, is_win32, is_win31, is_win95, is_winnt, is_win98, is_winme, is_win2k |
|
// is_os2 |
|
// is_mac, is_mac68k, is_macppc |
|
// is_unix |
|
// is_sun, is_sun4, is_sun5, is_suni86 |
|
// is_irix, is_irix5, is_irix6 |
|
// is_hpux, is_hpux9, is_hpux10 |
|
// is_aix, is_aix1, is_aix2, is_aix3, is_aix4 |
|
// is_linux, is_sco, is_unixware, is_mpras, is_reliant |
|
// is_dec, is_sinix, is_freebsd, is_bsd |
|
// is_vms |
|
// |
|
// See http://www.it97.de/JavaScript/JS_tutorial/bstat/navobj.html and |
|
// http://www.it97.de/JavaScript/JS_tutorial/bstat/Browseraol.html |
|
// for detailed lists of userAgent strings. |
|
// |
|
// Note: you don't want your Nav4 or IE4 code to "turn off" or |
|
// stop working when new versions of browsers are released, so |
|
// in conditional code forks, use is_ie5up ("IE 5.0 or greater") |
|
// is_opera5up ("Opera 5.0 or greater") instead of is_ie5 or is_opera5 |
|
// to check version in code which you want to work on future |
|
// versions. |
|
|
|
/** |
|
* Severly curtailed all this as only certain elements |
|
* are required by TreeMenu, specifically: |
|
* o is_ie4up |
|
* o is_nav6up |
|
* o is_gecko |
|
*/ |
|
|
|
// convert all characters to lowercase to simplify testing |
|
var agt=navigator.userAgent.toLowerCase(); |
|
|
|
// *** BROWSER VERSION *** |
|
// Note: On IE5, these return 4, so use is_ie5up to detect IE5. |
|
var is_major = parseInt(navigator.appVersion); |
|
var is_minor = parseFloat(navigator.appVersion); |
|
|
|
// Note: Opera and WebTV spoof Navigator. We do strict client detection. |
|
// If you want to allow spoofing, take out the tests for opera and webtv. |
|
var is_nav = ((agt.indexOf('mozilla')!=-1) && (agt.indexOf('spoofer')==-1) |
|
&& (agt.indexOf('compatible') == -1) && (agt.indexOf('opera')==-1) |
|
&& (agt.indexOf('webtv')==-1) && (agt.indexOf('hotjava')==-1)); |
|
var is_nav6up = (is_nav && (is_major >= 5)); |
|
var is_gecko = (agt.indexOf('gecko') != -1); |
|
|
|
|
|
var is_ie = ((agt.indexOf("msie") != -1) && (agt.indexOf("opera") == -1)); |
|
var is_ie4 = (is_ie && (is_major == 4) && (agt.indexOf("msie 4")!=-1) ); |
|
var is_ie4up = (is_ie && (is_major >= 4)); |
|
|
|
var is_opera = (agt.indexOf("opera") != -1); |
|
var is_opera7 = is_opera && (agt.indexOf("opera 7") != -1); |
|
|
|
// Patch from Harald Fielker |
|
if (agt.indexOf('konqueror') != -1) { |
|
var is_nav = false; |
|
var is_nav6up = false; |
|
var is_gecko = false; |
|
var is_ie = true; |
|
var is_ie4 = true; |
|
var is_ie4up = true; |
|
} |
|
//--> end hide JavaScript
|
|
|