function ShowMenu(x)
	{
	
	 document.getElementById(x).style.visibility='visible';
	 
	}
function HideMenu(x)
	{
	 document.getElementById(x).style.visibility='hidden';
	 
	}

function open_page(img,width,height)
{
	window.open(img,'zoom','menubar=no, status=no, scrollbars=no, menubar=no,width='+ width+ ', height='+height);
}