function ShowContent(itemname,isshow)
{
	var tr = document.getElementById('submenu_'+itemname);	
	if(tr == null) return;
	
	tr.style.display = isshow == 1 ? '' : 'none';
	
	
	var tr = document.getElementById('menu_'+itemname);	
	if(tr == null) return;
	
	tr.style.borderBottomWidth = '1px';
		
}

function getY( oElement )
{
	var iReturnValue = 0;
	while( oElement != null ) {
		iReturnValue += oElement.offsetTop;
		oElement = oElement.offsetParent;
	}
	return iReturnValue;
}

function getX( oElement )
{
	var iReturnValue = 0;
	while( oElement != null ) {
		iReturnValue += oElement.offsetLeft;
		oElement = oElement.offsetParent;
	}
	return iReturnValue;
}

function MenuMgr(itemname,time)
{	
	if(time == undefined) {
	
		ShowContent(lastSubItemPanel,0);
	
		lastSubItemPanel = itemname;
		
		if(menuTimer != -1) clearTimeout(menuTimer);
		
		var tr = document.getElementById('menu_'+itemname);	
		
		var x = getX(tr) + 5 + (isFF() ? 0 : 1);
		var y = getY(tr) + tr.offsetHeight + 4 + (isFF() ? 1 : 0);
		var w = tr.offsetWidth - 5;
		
		tr.style.borderBottomWidth = '0px';
		
	
		var tr = document.getElementById('submenu_'+itemname);
		
		tr.style.left = x + 'px';
		tr.style.top = y + 'px';
		
		//tr.style.width = w + 'px';
		
		tr.style.display = '';
		
		
		
		if(tr.offsetWidth < w) tr.style.width = w + 'px';
		
	} else if(time < 0) {
	
		time = Math.abs(time);
		
		menuTimer = setTimeout("ShowContent('"+itemname+"','0')",time);
		
	}
	
}

function isFF()
{
	var ua = navigator.userAgent;
	if( ua.search('Firefox') != -1 ) 
		return true;
	else 
		return false;
}

var menuTimer = -1;
var lastSubItemPanel = '';