#index_portfolio { float: left; width:100%; margin:0; padding:0; }
.itemidx { float: right; overflow: hidden; cursor: pointer; position: relative; }
.itemidx img { margin:0; padding:0; float:none; border:0;}
#index_portfolio .itemidx a { width: 100%;  float: left; position: absolute; display: none; }
#index_portfolio .current a { width: 100%;  float: left; position: absolute; display: block; }