var TextBox = {
	"clear" : function(event) {
		var tb = PythonEvent.element(event);
    tb.value = "";
	}
}

var SearchFormRules = {
	"form#header-search input#query" : function(element) {
		PythonEvent.observe(element, "focus", TextBox.clear);
	}
}


Behaviour.register(SearchFormRules);