function $( id ) {
	return document.getElementById( id );
}

function openPopupWindow (formURL, width, height)
{
    var Left = (screen.width - width) / 2;
    var Top = (screen.height - height) / 2;
    window.open(formURL,"","toolbar=0, scrollbars=no,location=0,status=0,menubar=0,width="+width+",height="+height+",border=1,resizable=yes,left="+Left+",top="+Top);  
}