window.addEvent('domready', function(){
	
	//login formulier 
	if($('login_username') && $('login_password')){

		if($('login_username').value == ''){
			$('login_username').setStyles({
				'background-image': 'url(' + templateFolder + 'images/username_bg.gif)',
				'background-repeat': 'no-repeat'
			});
		}
		if($('login_username').value == ''){
			$('login_password').setStyles({
				'background-image': 'url(' + templateFolder + 'images/password_bg.gif)',
				'background-repeat': 'no-repeat'
			});
		}
		$$('.login_field').each(function(el){
			el.addEvent('focus', function(){
				this.setStyle('background', '#FFFFFF');
			}).addEvent('blur', function(){
				if(this.value == ''){
					if(this.id == 'login_username'){
						this.setStyles({
							'background-image': 'url(' + templateFolder + 'images/username_bg.gif)',
							'background-repeat': 'no-repeat'
						});
					}else if(this.id == 'login_password'){
						this.setStyles({
							'background-image': 'url(' + templateFolder + 'images/password_bg.gif)',
							'background-repeat': 'no-repeat'	
						});
					}					
				}
			});
		});		
	}
	
});