window.addEvent('domready', function() {

	var images = [];
	
	$$('img.roll').each(function(img) {
		var src = img.getProperty('src');
		var extension = src.substring(src.lastIndexOf('.'),src.length)
		var srch = src.replace(extension,'-on' + extension);
		images.include(srch);
		img.addEvent('mouseenter', function() { img.setProperty('src',srch); });
		img.addEvent('mouseleave', function() { img.setProperty('src',src); });
	});
	
	var loader = new Asset.images(images);

});



function bookmarksite(title,url){
if (window.sidebar) // firefox
	window.sidebar.addPanel(title, url, "");
else if(window.opera && window.print){ // opera
	var elem = document.createElement('a');
	elem.setAttribute('href',url);
	elem.setAttribute('title',title);
	elem.setAttribute('rel','sidebar');
	elem.click();
} 
else if(document.all)// ie
	window.external.AddFavorite(url, title);
}