function show_big(ref){
	
	var bigimg=ref.src.substring(0,ref.src.lastIndexOf("."))+"c.jpg";
	
	var new_big=new Image();
	new_big.src=bigimg;
	
	$("big_container").set("src",bigimg);
	
	return true;
};


function add_smallimg_effects(){

	var imgs=$$(".small_img");

	for(var i=0;i<imgs.length;i++){

		imgs[i].addEvent("mouseenter",function(){

			this.set("morph",{duration:100,link:"ignore",transition:"sine:in:out",fps:150}).morph(".small_img_hover");
		});


		imgs[i].addEvent("mouseleave",function(){

			this.set("morph",{duration:100,link:"ignore",transition:"sine:in:out",fps:150}).morph(".small_img");
		});
	}
};

window.addEvent("load",add_smallimg_effects);