// by Igonef
jQuery.fn.highlitable = function(params){
  var options = {
    start: 1
  };
  jQuery.extend(options, params);

  return this.each( function() {
    var rows = jQuery(this).find('tr');
		for (var i = options.start; i < rows.length; i++) { // 'start' because of first row of labels
      jQuery(rows[i]).hover(
        function(){
          this.className = this.className.replace(/\s*\bhighlight\b|$/, ' highlight'); // faster than the above
        },
        function(){
          this.className = this.className.replace(/\s*\bhighlight\b\s*/, ' '); // faster than the above
        }
      );
		}
  });

};