function show(obj) {
   var linkList = document.getElementById("ulPartsList").getElementsByTagName("li");
   for (i = 0; i < linkList.length; i++) {
	  linkList[i].className = "";
   }
   obj.className = "Hot";
}
function hide(obj) {
   var linkList = document.getElementById("ulPartsList").getElementsByTagName("li");
   for (i = 0; i < linkList.length; i++) {
	  linkList[i].className = "";
   }
   obj.className = "";
}