var objCaller;
	function showCalendar(divID){
		if(objCaller){
			hideCalendar();
		}
		objCaller = document.getElementById("SelectDate"+divID);
		if(objCaller.style.visibility == 'hidden'){
			objCaller.style.visibility='visible';
		}
	}
	function hideCalendar(){
		if(objCaller.style.visibility == 'visible'){
			objCaller.style.visibility='hidden';
		}
	}