REMOVE THIS LINE AND THE ONE ABOVE IT window.onload = startRollOver; function startRollOver() { for (var i=0; i<document.images.length; i++) { if (document.images[i].parentNode.tagName == "A") { rollOverFunction(document.images[i]); } } } function rollOverFunction(myImage) { myImage.outImage = new Image(); myImage.outImage.src = myImage.src; myImage.onmouseout = rollOffFunction; myImage.overImage = new Image(); /*If you want to use a folder, the line below will look like this: myImage.overImage.src = "foldername/" + myImage.id + "_on.gif"; */ myImage.overImage.src = myImage.id + "_on.gif"; myImage.onmouseover = rollOnFunction; } function rollOnFunction() { this.src = this.overImage.src; } function rollOffFunction() { this.src = this.outImage.src; }