/**
 * General triggered behaviour on document load
 */
 
var rating_rules = {
	'.wp-caption': function() {
		var id = this.identify();
		var number = id.replace('attachment_','');
		this.down('p.wp-caption-text').insert({top : '<span class="number">'+number+'</span>'});
		return false;
	}
}
Event.addBehavior(rating_rules); 

var search_rules = {
	'form.form-search input#s:focus': function() {
		if (this.value == 'search') {
			this.value = '';
		}
		return false;
	},
	'form.form-search input#s:blur': function() {
		if (this.value == '') {
			this.value = 'search';
		}
		return false;
	}
}
Event.addBehavior(search_rules);