function DateFormat()
         {
            document.getElementById('txtDate').style.borderColor="";
            document.getElementById('divMessage').innerHTML="";
            NumericCheck();
            if(event.keyCode!=8)
            {
                var varDate=document.getElementById('txtDate').value;
                if(varDate.length==2 || varDate.length==5)
                    document.getElementById('txtDate').value=varDate+"/";
                else if (varDate.length==3 && varDate.substring(2)!="/")
                    document.getElementById('txtDate').value=varDate.substring(0,2)+"/"+varDate.substring(2);
                else if (varDate.length==6 && varDate.substring(5)!="/")
                    document.getElementById('txtDate').value=varDate.substring(0,5)+"/"+varDate.substring(5);               
                    
             }
         }
         
         function NumericCheck()
         {
            //debugger;
            var varDate=document.getElementById('txtDate').value;
            if((event.keyCode >= 48 && event.keyCode <= 57)||(event.keyCode >= 96 && event.keyCode <= 105)||(event.keyCode == 8 ) || (event.keyCode == 12) || (event.keyCode == 27))
            {
                return true;
            }
            else
            {
                document.getElementById('txtDate').value=varDate.substring(0,varDate.length-1);
                return false;
            }
            
                
         }