function show_submenu(oid){
var d = document.getElementById(oid);
	for (var i = 1; i<=10; i++) {
		if (document.getElementById('smul'+i)) {document.getElementById('smul'+i).style.display='none';}
	}
if (d) {d.style.display='block';}

}

var timeout         = 500;
var closetimer		= 0;
var ddmenuitem      = 0;

// open hidden layer
function mopen(id,po)
{	
	// cancel close timer
	mcancelclosetime();

	// close old layer
	if(ddmenuitem) ddmenuitem.style.display = 'none';
	po.style.position = 'absolute';
	//alert(po.offsetLeft);
	// get new layer and show it
	ddmenuitem = document.getElementById(id);
	ddmenuitem.style.left = eval(po.offsetLeft-1)+'px';
	ddmenuitem.style.visibility = 'hidden';
	ddmenuitem.style.display = 'block';
	po.style.position = 'relative';	
	//ddmenuitem.style.top = eval(po.offsetTop+po.offsetHeight+25)+'px';
	ddmenuitem.style.visibility = 'visible';
	ddmenuitem.style.display = 'block';
	

}
// close showed layer
function mclose()
{
	if(ddmenuitem){ ddmenuitem.style.display = 'none'; /*document.getElementById('shadow').style.display='none';*/};
}

// go close timer
function mclosetime()
{
	closetimer = window.setTimeout(mclose, timeout);
}

// cancel close timer
function mcancelclosetime()
{
	if(closetimer)
	{
		window.clearTimeout(closetimer);
		closetimer = null;
	}
}

// close layer when click-out
document.onclick = mclose; 

function ShowLarge(oid,ptimg){
	document.getElementById(oid).src = ptimg;
}