ws_fade=function(options){
	var $=jQuery;
	options.duration=options.duration||1000;
	var Images=[];
	var curIdx=0;
	this.init=function(aCont){
		
		Images=$("img",aCont).get();
		
		$(Images).each(function(Index){
			if(!Index){
				$(this).show();
			}else{
				$(this).hide();
			}
		});
	};
	
	this.go=function(new_index){
		$(Images).each(function(Index){
			if(Index==new_index){
				$(this).fadeIn(options.duration);
			}
			if(Index==curIdx){
				$(this).fadeOut(options.duration);
			}
		});
		curIdx=new_index;
		return true;
	};
};