function CalendarDlg(ctrlobj)
{
	showx = event.screenX - event.offsetX; // + deltaX;
	showy = event.screenY - event.offsetY ; // + deltaY;

	retval = window.showModalDialog("datecontrol/Calendar.htm", "", "dialogWidth:300px; dialogHeight:210px; dialogLeft:"+showx+"px; dialogTop:"+showy+"px; status:no; directories:yes;scrollbars:no;Resizable=no;help:no"  );
	if( retval != null ){
		ctrlobj.value = retval;
	}else{
		
	}
}