window.addEvent('domready', function(){
	Element.implement({
		clearFocusResetBlur: function(attr){
			var valueString = this.get(attr);
			this.addEvents({
				'focus': function(){
					if (this.get('value') == valueString) 
						this.set('value', '');
				},
				'blur': function(){
					if (this.get('value') == "") 
						this.set('value', valueString);
				}
			});
		}
	});
	$('email_input').clearFocusResetBlur('alt'); 
	$$('.email_input').clearFocusResetBlur('alt');
	$('search_input').clearFocusResetBlur('alt');
	$$('.amount_input').clearFocusResetBlur('alt');
	if($$('.clear_input')) $$('.clear_input').clearFocusResetBlur('alt');
});