function isNumberKey(evt)
    {        
      
        var charCode = (evt.which) ? evt.which : event.keyCode                    
       
        if (charCode > 31 && (charCode < 48 || charCode > 57))
           return false;
        else
            return true;
    }
     function isNumberKeyDot(evt)
    {        
        
        var charCode = (evt.which) ? evt.which : event.keyCode                    
      // alert(charCode);
        if (charCode > 31 && (charCode < 48 || charCode > 57) && charCode == 47)
            return false;
      
            else 
            return true;
    }
    function isAlphaKey(e)
    {
        var k;
        document.all ? k = e.keyCode : k = e.which;
         return ((k > 64 && k < 91) || (k > 96 && k < 123) || k == 8 || k==9 || k==0); 
    }
    function openWindow(pageurl,w1,h1,lft,tp)
    {
        var newWindow=window.open(pageurl, 'newWindow', 'height='+ h1 +',width='+  w1 +',left='+ lft +',top='+ tp +',toolbar=0,scrollbars=1','');
        newWindow.creator=self;  
        return false;
    }
    function openWindowRes(pageurl)
    {   
      var newWindow=window.open(pageurl, 'newWindow', 'height=650,width=700,toolbar=0,scrollbars=1', '');
      newWindow.creator=self;  
      newWindow.moveTo((screen.width-500)/3,(screen.height-500)/3);
      //newWindow.moveTo(300,500);
      return false;
    }
    function isNumberKeyWithDot(evt)
    {        
        var charCode = (evt.which) ? evt.which : evt.keyCode
        if ((charCode > 31) &&(charCode < 45 || charCode > 57 ))
        {
            return false
        }
        else
        {
            if(charCode!=47)
                return true;
            else 
                return false;
        }
    }