function switchpage(select) { 
var selected_index = select.elements["items"].selectedIndex;
	if(selected_index > 0) { 
		var selected_option_value = select.elements["items"].options[selected_index].value;
		var links="product.php?id="
		links=links+selected_option_value;
		window.location.href=links; 
	} 
}

function switchbrand(select , flink) { 
var folder = flink+'.php';
if (select!=0){
 location.href = folder +'?id=' + select;
}
}

startList = function() {
if (document.all&&document.getElementById) {
navRoot = document.getElementById("nav");
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", "");
   }
   }
  }
 }
}
window.onload=startList;