function zoommer(){
	
	def_class='bbzoomable';

	var imgs=$$('img.'+def_class);
	imgs.each(function(el){
		thumb=el.getProperty('src');
		new_src=thumb.replace('.jpg','_big.jpg'); 
		var myLink = new Element('a', {href: new_src, class: 'virtualbox'});
		myLink.wraps(el);
		el.dispose();
		var myImage = new Element('img', {src: thumb});
		myLink.adopt(myImage);
	});

	var box = new multiBox('virtualbox', {
		//~ initialHeight: 450,
		//~ initialWidth: 600,
		overlay: new overlay(),
		showNumbers: false,
		showControls: false
	});
	
}