startDropDowns = function() {
	var myDropDownArray = new Array();
	var c=0;
	var menuUl='nav';
	var menuNext=true;

	while(menuNext==true){
		myTemp=menuUl+c;
		if(document.getElementById(myTemp)){
			myDropDownArray.push(document.getElementById(myTemp));
			c++;
		}
		else{
			menuNext=false;
		}
	}
	if (document.all&&document.getElementById) {
		for (j=0; j<myDropDownArray.length;j++) {
			navRoot = myDropDownArray[j];//just easier to reference
			for (i=0; i<navRoot.childNodes.length; i++) {
				node = navRoot.childNodes[i];
				if (node.nodeName=="LI") {
					node.onmouseover=function() {
						this.className+=" over";
					}
					node.onmouseout=function() {
						this.className=this.className.replace(" over", "");
					}
				}
			}
		}
	}
}