function initSearchField() {
	$('house_search').observe('click', function(ev){
		ev.element().addClassName('focused');
		if(ev.element().getValue() == 'Search House')
			ev.element().clear();
	});
	$('house_search').observe('blur', function(ev){
		if(ev.element().getValue() == ""){
			ev.element().removeClassName('focused');
			ev.element().setValue('Search House');			
		}
	});
}


/**
 *	Do stuff once the window has loaded.
 */
Event.observe(window, 'load', function(event){
	initSearchField();
});