//try{
var timeout	= 500;
var closetimer	= 0;
var ddmenuitem	= 0;

// open hidden layer
function mopen(id)
{	
	// cancel close timer
	mcancelclosetime();
	// close old layer
	if(ddmenuitem) ddmenuitem.style.visibility = 'hidden';
	// get new layer and show it
	ddmenuitem = document.getElementById(id);
	//ddmenuitem.parentElement.style.backgroundColor="#66A1D0";
	ddmenuitem.style.visibility = 'visible';
	ddmenuitem.style.display = 'block';
	//alert(ddmenuitem.parentElement.offsetLeft);
	gt=ddmenuitem.parentElement.getElementsByTagName("SPAN").item(0);
	ddmenuitem.style.left=ddmenuitem.parentElement.offsetLeft+gt.offsetLeft+gt.getElementsByTagName("A").item(0).offsetLeft;	
}
// close showed layer
function mclose()
{
	if(ddmenuitem) {
		//ddmenuitem.parentElement.style.backgroundColor="transparent";
	ddmenuitem.style.visibility = 'hidden';
	}
}

// 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;

//}
//catch(e){}