window.addEvent("domready", function() {
  
  if($('search_input_box')) {
	  $('search_input_box').addEvents({
	  	"focus" : function() {
	  		$(this).set("value","");
	  	},
	  	"blur" : function() {
	  		if($(this).get("value")=="") {
	  			$(this).set("value", "Rechercher sur le site...");
	  		}
	  	}
	  });
	}
  
});