last_submenu=null;
set_timeout=null;
function horizontal_menu(item)
{
if(item.indexOf("main_menu_")>-1) {

	item_nr=item.substring(10)
	
	if(!document.getElementById('horizontal_submenu_'+item_nr)) return;
	

	if(last_submenu) {document.getElementById('horizontal_submenu_'+last_submenu).style.display='none';}
	
	item_top=document.getElementById(item).offsetTop;
	item_left=document.getElementById(item).offsetLeft;
	
	if(!document.all) {item_top=item_top+4}
	if(window.opera) {item_top=item_top+3}
	
	document.getElementById('horizontal_submenu_'+item_nr).style.top=item_top+12+'px';
	document.getElementById('horizontal_submenu_'+item_nr).style.left=item_left-2+'px';

	item_width = document.getElementById(item).offsetWidth;
	document.getElementById('horizontal_submenu_'+item_nr).style.width = item_width+4;

	if(window.opera){document.getElementById('horizontal_submenu_'+item_nr).style.display='table';}
	else {document.getElementById('horizontal_submenu_'+item_nr).style.display='block';}

	document.getElementById('horizontal_submenu_'+item_nr).style.zIndex=100;

	last_submenu=item_nr;
	}

else {


if(item.indexOf("div_")>-1) return;
if(item.indexOf("horizontal_menu_main_item_holder")>-1) return;
if(item.indexOf("main_holder")>-1) return;
if(item.indexOf("measure")>-1) return;
if(item.indexOf("subitem")>-1) return;
if(item.indexOf("sub_menu_line")>-1) return;
if(item.indexOf("horizontal_menu")>-1) return;
if(item.indexOf("horizontal_submenu_")>-1) return;

if(last_submenu) {document.getElementById('horizontal_submenu_'+last_submenu).style.display='none';}
}

}