function getChkValue(obj){
		/*
			obj				- the given checkbox
		*/
		var selitem = "";
		var x = 0;
		try{
			x = obj.length;
			for(i=0; i<obj.length; i++)			
				if(obj[i].checked)
					if(selitem==""){ 				
						selitem = obj[i].value;
					}
					else{
						selitem = selitem + "," + obj[i].value;
					}
		}
		finally{
			if (obj.checked)
				selitem = obj.value;
		}
		return selitem;		
	}
	
	function geTodayDate(){
		vat today=new Date();
		return doday.getDate();
		}