function fnTabClick( nTab, obj )
 {
 	event.cancelBubble = true;

 	el = event.srcElement;
 
 	for (i = 0; i < tab_grp.length; i++)
 	{
 		tabs[i].className = "clsTab";
		//tabs[i].children[0].className = "clsTabLink";
 		tab_grp[i].style.display = "none";
 	}
 	tab_grp[nTab].style.display = "block";
 	tabs[nTab].className = "clsTabSelected";
	//tabs[nTab].children[0].className = "clsTabLinkSelected";
	event.returnValue = false;

	var grp=document.all[_grp_idx];
	if (grp) grp.value=obj.idx;

 }