// JavaScript Document
			
	function  onChangeDate(object,formname){  

		formname = eval("document."+formname); 
		objTgl = eval("formname.tgl" + object);
		objBln = eval("formname.bln" + object);
		objThn= eval("formname.thn" + object);
		
		eval("formname." + object).value  = objTgl.value + "-" + objBln.value + "-" + objThn.value ; 
		
		if (eval("formname.jam" + object) != undefined){
		
		
			objJam= eval("formname.jam" + object);
			objMenit= eval("formname.menit" + object);
			eval("formname." + object).value  = 	eval("formname." + object).value    + " " + objJam.value  + ":" + objMenit.value  ;
			
		}
		 
	}
	function ValidateDate(object){    
				
				temp = object.split(" ");
				temp1 = temp[0].split("-");
				
				objTgl = temp1[0];
				objBln = temp1[1];
				objThn = temp1[2];
		  		
				if (( objBln == 4 || objBln == 6  || objBln == 9 || objBln == 11   ) && objTgl == 31) {
					return false; 
				}
				
				if (objBln == 2  ){
				
				  if ( isKabisat(objThn)  && objTgl > 29 ){ 
					return false;	 
				  }
				  if ( !isKabisat(objThn )  && objTgl > 28){ 
					return false; 
				  }
				  
				  return true;
				 
				} 
				
				return true;
			}
				
	function isKabisat(year){
		 
		if (year%4 == 0) 
			return true;  
		else 
			return false;
	}