/**
 * SearchBox plugin
 * author: Jan Zatloukal, rotten77.bogspot.com
 * $(object).searchBox();
 *  parameters: addclass - extra class for input
 *              searchtext - text in input 
 */ 
(function($){  
 $.fn.searchBox = function(options) {  
  
  var defaults = {  
   addclass: "alt",  
   searchtext: "Hledej..."
  };  
  var options = $.extend(defaults, options);  
      
      return this.each(function() { 
          obj = $(this);
          var text = obj.val();
          
          if(text=="") obj.addClass(options.addclass).val(options.searchtext);
          

          obj.focus(function(){
              var text = obj.val();
              if(text==options.searchtext)  obj.val("").removeClass(options.addclass);
          });
        
          obj.blur(function(){
              var text = obj.val();
              if(text=="")  obj.val(options.searchtext).addClass(options.addclass);
          });
  
      
      });  
 };  
})(jQuery);