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);