makeMenu = function() { 


    var lis = document.getElementById("nav").getElementsByTagName("li");
	for (var i=0; i<lis.length; i++) {
		lis[i].onmouseover=function() {
			    this.className+=" over";
				    }
					    lis[i].onmouseout=function() {
							this.className=this.className.replace(new RegExp(" over\\b"), "");
								}
								    }
								    

    var lis = document.getElementById("menu_top").getElementsByTagName("li");
	for (var i=0; i<lis.length; i++) {
		lis[i].onmouseover=function() {
			    this.className+=" over";
				    }
					    lis[i].onmouseout=function() {
							this.className=this.className.replace(new RegExp(" over\\b"), "");
								}
								    }

    var lis = document.getElementById("lmodels").getElementsByTagName("li");
	for (var i=0; i<lis.length; i++) {
		lis[i].onmouseover=function() {
			    this.className+=" over";
				    }
					    lis[i].onmouseout=function() {
							this.className=this.className.replace(new RegExp(" over\\b"), "");
								}
								    }


 }
 
 if (window.attachEvent) window.attachEvent("onload", makeMenu);