function selectDate(control, minValue, maxValue) 
      { 
			    dialog = window.open("../Script/calendar.html?id="+control.id+"&value="+control.value+"&minValue="+minValue+"&maxValue="+maxValue, "Calendar", "status,height=258,width=230, left=" + ((window.screen.availWidth / 2) - 100).toString() +", top=" + ((window.screen.availHeight / 2) - 100).toString() +", modal=yes,dialog=yes");
      }