(function() {

var size = 'medium';

function image_micros(e){

	var t = YAHOO.util.Event.getTarget(e);

	if(t.nodeName.toLowerCase() === 'img'){
    
		t = t.parentNode;

		YAHOO.util.Event.preventDefault(e);

        // remove active class from all thumbs
        var image_thumbs = $('image_micros').getElementsByTagName('img');
        for (var i = 0; i < image_thumbs.length; i++) {

            YAHOO.util.Dom.removeClass(image_thumbs[i], 'active');
        }
        
        // get image info from href of clicked anchor
    	var image_info = t.href.substring(t.href.indexOf('#')+1);
    	image_info = image_info.split('&');
    	var image_id = image_info[0];
    	var image_type = image_info[1];
    	
    	// add active class to clicked thumb
        YAHOO.util.Dom.addClass($('product_image_'+image_id), 'active');

        // set new image url
        var product_id = $('product_id').value;
        $('product_image').src = '/modules/catalog/images/product/'+product_id+'/'+image_id+'-'+size+'.'+image_type;
        $('image_zoom').href = '/modules/catalog/images/product/'+product_id+'/'+image_id+'.'+image_type;
        
    }
}

YAHOO.util.Event.on(window,'load',function(){

    if($('image_micros'))
        YAHOO.util.Event.on('image_micros','click',image_micros);

	if($('wide'))
		size = 'large';
});

})();