function popUp(URL) {
		day = new Date();
		id = day.getTime();
		eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=0,scrollbars=1,location=0,statusbar=0,menubar=0,resizable=0,width=640,height=480,left = 320,top = 160');");
	}


function closepopup()
{
	if(false == my_window.closed)
	{
	my_window.close();
	}
	else
	{
	alert('Window already closed!');
	}
}