window.addEvent('domready',function(event){
	$$('img.rollover').each(function(element){
		element.addEvent('mouseover',switchImg);
		element.addEvent('mouseout',switchImg);
		new Asset.image(element.getProperty('rel')); //preload rollovers
	});
	
	$$('input.rollover').each(function(element){
		element.addEvent('mouseover',switchImg);
		element.addEvent('mouseout',switchImg);
		new Asset.image(element.getProperty('rel')); //preload rollovers
	});
	
	var tips = new Tips($$('.tips'), {
		showDelay: 400,
		hideDelay: 400,
		fixed: true
	});
});

function switchImg(event){
	var temp=this.getProperty('rel');
	this.setProperty('rel',this.getProperty('src'));
	this.setProperty('src',temp);
}