startNav = function() {
		if (document.all&&document.getElementById) {
			cssnav = document.getElementById("csstopnav");
			for (i=0; i<cssnav.childNodes.length; i++) {
				node = cssnav.childNodes[i];
				if (node.nodeName=="LI") {
					node.onmouseover=function() {
					this.className+=" over";
					}
					node.onmouseout=function(){                  
					this.className=this.className.replace(" over", "")
					}
				}
			}
		}
	}
	
	if (window.attachEvent){
		window.attachEvent("onload", startNav);
	}else{
		window.addEventListener("load", startNav, false); 
	}