/*----------------------------------- Determines browser -----------------------------------*/ function Is() { var agent = navigator.userAgent.toLowerCase(); this.major = parseInt(navigator.appVersion); this.NN = ((agent.indexOf('mozilla')!=-1) && ((agent.indexOf('spoofer')==-1) && (agent.indexOf('compatible') == -1))); this.IE = (agent.indexOf("msie") != -1); this.WIN = (agent.indexOf("win") != -1); this.IE5 = (this.IE && (agent.indexOf('5') != -1)); } /*----------------------------------- global variable initialization -----------------------------------*/ var is = new Is(); var bWindow = null; var swapArray = new Array(); //global that holds swap images info var selectedImage = ""; /*----------------------------------- Called from the onLoad() inside the body tag Creates arrays for all images and references to the layers involved in the navigation -----------------------------------*/ function initialize() { parseLayers(document); //selectedImage = top.selectedImage; //onClickSwap(selectedImage); } /*-------Pop-up window for linecards---------*/ function popLine(URL, name) { if (bWindow && !bWindow.closed) { bWindow.location = URL; bWindow.focus(); }else{ bWindow = window.open(URL, name,"status=0,resizable,menubar=0,width=300,height=80"); } } //================================================ //= Determines layer ID depending on the browser //================================================ function getLayerRef(layerID) { if (is.NN) { return document.layers[layerID]; } else { return document.all[layerID]; } } //================================================================================= //= Dynamically creates a pop-up window adjusting the dimensions of the images //================================================================================= function DynaWin(url, h, w, l, t, str) { poph = + h + 140 popw = + w + 30 disp = window.open("","pop","height=" + poph + ",width=" + popw + ",left=" + l + ",top=" + t + "" + str); content = ''; content += 'Pop-up Window'; content += ''; content += ''; content += '

' + str + '

'; content += '

'; content += '

'; content += ''; disp.document.write(content); disp.document.close(); } /*--------------------------------------- Called from initialize() Automatically parse every layer in document, determining which have swappable images, and (NS only) create references to every layer in the document ---------------------------------------*/ function parseLayers(str) { for (var i=0; i < str.images.length; i++) { if (str.images[i].name != "") { createImageObjects(str.images[i]); } } if (is.NN) { for (var i=0; i < str.layers.length; i++) { var layRef = str.layers[i].name; layerArray[layRef] = new Object(); layerArray[layRef].layerRef = str.layers[layRef]; parseLayers(str.layers[i].document); } } } /*--------------------------------------- Called from parseLayers() Preloads and creates object references for swappable images including _on state, _off state, and DOM image object path ---------------------------------------*/ function createImageObjects(imgObj) { var ftypeExp = /\.[^\.]*$/; // regular expression used to split the filename string var srcString = imgObj.src; var extString = srcString.match(ftypeExp)[0]; // grab the extension var imgRef = imgObj.name; var divChar = srcString.lastIndexOf('/') + 1; //finds the last '/' and records it's location var filePath = srcString.substring(0, divChar); swapArray[imgRef] = new Object(); swapArray[imgRef].on = new Image(); swapArray[imgRef].on.src = filePath + imgRef + "_on" + extString; swapArray[imgRef].off = new Image(); swapArray[imgRef].off.src = filePath + imgRef + "_off" + extString; swapArray[imgRef].layerRef = imgObj; } /*--------------------------------------- Called from the tag Swap image function for rollovers ---------------------------------------*/ function swap(imgName, onoff) { if (swapArray[imgName] != null) { swapArray[imgName].layerRef.src = swapArray[imgName][onoff].src; } } function onClickSwap(imgName) { if(selectedImage != imgName) { swap(imgName, 'on'); if(selectedImage != '') { swap(selectedImage, 'off'); } selectedImage = imgName; return true; } else { swap(imgName, 'on'); return false; } } // called from onMouseOver and onMouseOut function mouseSwap(imgName, onoff) { if(selectedImage != imgName) { swap(imgName, onoff); } }