// Custom JavaScript for UWDC

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

function AllowNumericAndDash()
{
    var key = window.event.keyCode;
    if ( (key > 47 && key < 58) || key == 45 )
        return true;
    else
        window.event.returnValue = null; 
}

function AllowOnlyNumeric()
{
    var key = window.event.keyCode;
    if ( (key > 47 && key < 58) || key == 45 )
        return true;
    else
        return false; 
}

function openCat(id) 
{	
    if (document.getElementById(id).style.display!="block") 
      {	
             document.getElementById(id).style.display="block";	
      } 
   else 
      {
             document.getElementById(id).style.display="none";		
      }	
}