var old_menu=''; 
var old_cell=''; 
function menuclick(submenu,cellbar){ 

if(old_menu!=submenu){
 if(old_menu!=''){
 old_menu.style.display='none';
 old_cell.src='images/left.gif';}
 submenu.style.display='block';
 cellbar.src='images/left1.gif';
 old_menu=submenu;
 old_cell=cellbar;}
else{submenu.style.display='none';
 cellbar.src='images/left.gif';
 old_menu='';
 old_cell='';}
 
 }
 
 function nTabs(thisObj,Num){
if(thisObj.className == "active")return;
var tabObj = thisObj.parentNode.id;
var tabList = document.getElementById(tabObj).getElementsByTagName("li");
for(i=0; i <tabList.length; i++)
{
if (i == Num)
{
   thisObj.className = "active"; 
      document.getElementById(tabObj+"_Content"+i).style.display = "block";
}else{
   tabList[i].className = "normal"; 
   document.getElementById(tabObj+"_Content"+i).style.display = "none";
}
} 
}