function init(){
	var main = document.getElementById('main');
	if(main){
		var mainOffsetLeft = getOffsetLeft(main);
		var el = document.getElementById('menuitem_active');
		if(el){
			var offsetLeft = getOffsetLeft(el);
			var submenu = document.getElementById('submenu');
			if(submenu){
				submenu.style.position = "relative";
				submenu.style.left = offsetLeft - mainOffsetLeft-1;
				submenu.style.width = 855 - offsetLeft + mainOffsetLeft -1;
				submenu.style.display = 'block';
			}
		}
	}
}

function getOffsetLeft (el, p) { 
	var ol = el.offsetLeft; 
	while ((el = el.offsetParent) != null) {
		ol += el.offsetLeft; 
	}
	return ol; 
}