/**************************************** ** Feature Rotator ** 01/17/2008 ** Sunil Karve, on behalf of LexisNexis ****************************************/ var rotateImageID; // ID of the image to be rotated; set in the of the calling document var featImg; // Reference to the rotating image var featLink; // Reference to the target url of rotating image var rotateInterval = 5000; // Rotation delay period in milliseconds, defaults to 5 seconds var featCounter = 0; // Index of current feature function initFeature() { // Load JS and check compatibility if(!document.getElementById) { return; } // Stop execution if getElementById not supported featImg = document.getElementById( rotateImageID ); // Get reference to specified image if (featImg == null) { return; } if( featImg.parentNode.nodeName == "A") { // Check if rotating image is hyperlinked and get reference to the link featLink = featImg.parentNode; } preloadRotateImages(); // Preload all images for quick response rotateFeature(); // Begin initial rotation var rotateTimer = setInterval("rotateFeature()", rotateInterval); // Repeat at specified interval } function rotateFeature() { // Change attributes of rotating image, and its link target if available featImg.setAttribute("src", featureArray[featCounter][0]); featImg.setAttribute("alt", featureArray[featCounter][1]); if( featLink != null ) { // Assign stored href to parent node (if it exists) featLink.setAttribute("href", featureArray[featCounter][2]); } featCounter++; // Reset rotation index if end of list reached if( featCounter == featureArray.length ) { featCounter = 0 }; } function preloadRotateImages() { var preloadArray = new Array(); for( var k=0; k < featureArray.length; k++ ) { preloadArray[k] = new Image(); preloadArray[k].src = featureArray[k][2]; } }