window.addEvent('load',function(){
	var wm_search=$('wm_search');
	wm_search.addEvents({
		'focus':function(){
			if(this.value==this.title)
				this.value='';
		},
		'blur':function(){
			if(this.value=='')
			this.value=this.title;
		}
	});
	$('module_search').getElement('form').addEvent('submit',function(){
    	if(wm_search.value==''||wm_search.value==wm_search.title)
			return false;
	});
});