18 lines · javascript
1startList = function() {2 if (document.all&&document.getElementById) {3 navRoot = document.getElementById("nav");4 for (i=0; i<navRoot.childNodes.length; i++) {5 node = navRoot.childNodes[i];6 if (node.nodeName=="LI") {7 node.onmouseover=function() {8 this.className+=" over";9 }10 node.onmouseout=function() {11 this.className=this.className.replace(" over", "");12 }13 }14 }15 }16}17window.onload=startList;18