var AutoThumb = new Class({
	Implements:Options,

	options:{
		div:'div_article',
		rawImage: "raw",
		rel:'lightbox'
	},

	initialize: function(options){
		this.setOptions(options);
		this.parse();
	},
	
	parse: function(){
		var cContentDiv = this.options.div;
		var c_imgs =  $(cContentDiv).getElements('img[src$=.thumb.jpg]');
		var strRawImage = this.options.rawImage;
		var strRel = this.options.rel;

		c_imgs.each(function(item){
			if(item.parentNode.tagName!='A'){
				var imgRawSrc = item.src.replace('.thumb.jpg','.raw.jpg');
				if(new Request({url:imgRawSrc,async: false}).get().status == '200'){
					var myLink = new Element('a', {
						'href': imgRawSrc,
						'rel' : strRel,
						'title' : item.alt
					});
					var itemCp = item.clone();
					if(Browser.Engine.trident){
						itemCp.height = item.height; // fix bug ie
						itemCp.width = item.width; // fix bug ie
					}
					var newItem = myLink.adopt(itemCp);
					newItem.replaces(item);
				}
			}
		});				
	}
});
window.addEvent('domready',function(){
	var foo = new AutoThumb();
});