function maxImage(w) {

}

var timeout         = 100;
var closetimer		= 0;
var ddmenuitem      = 0;

// open hidden layer
function mopen(id,idTd)
{	
	// cancel close timer
	mcancelclosetime();
	var pos;
	//alert("sdf");
	pos=findPos(document.getElementById(idTd));
	//alert(document.getElementById(idTd).style.width);
	document.getElementById(id).style.left=parseInt(pos[0]-300) + 'px'; 
	document.getElementById(id).style.top=pos[1] + 'px';
	// close old layer
	if(ddmenuitem) ddmenuitem.style.display = 'none';

	// get new layer and show it
	ddmenuitem = document.getElementById(id);
	ddmenuitem.style.display = '';

}
function findPos(obj) 
{
	   var curleft = curtop = 0;
	   if (obj.offsetParent) 
	   {
			  while (obj.offsetParent) 
			  {
				 curleft += obj.offsetLeft;
				 curtop += obj.offsetTop;
				 obj  = obj.offsetParent;
			  }
	   }
	   return [curleft,curtop];	
}
// close showed layer
function mclose()
{
	if(ddmenuitem) ddmenuitem.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;