function isNumberKey(evt)
{
 var charCode = (evt.which) ? evt.which : event.keyCode
 if (charCode > 31 && (charCode < 48 || charCode > 57))
    return false;
 return true;
}


function nospaces(evt)
{
	 var charCode = (evt.which) ? evt.which : event.keyCode
	 if (charCode == 32)
	    return false;
	 return true;
}