$(document).ready(function() 
{ 

  //add highlighting to category table rows as cursor moves over
  $('#categorytbl tbody tr:[rowtype=cat]').hover(
   function()
   {
    $(this).addClass('highlightclick');
   },
   function()
   {
    $(this).removeClass('highlightclick');
   }
  );
  
  //add function when a category table row is clicked
	$('#categorytbl tbody tr:[rowtype=cat]').click(function(e) { 
		
		//set input value
		$('#catid').attr('value',$(this).children('td:first').text());
		//submit form
		$('#catawd').submit();
		
		e.stopPropagation(); 
		return false; 
	});
	
});