.wrap_zoom{
    margin:0px;
    overflow:hidden;
    position:relative;
    float:left;
}
.wrap_zoom a.pointer_cross {
    cursor: crosshair;
}
.wrap_zoom a {
    cursor: pointer;
}
.wrap_zoom a img  {
    border:none;
    position:absolute;   
    top:-66.5px;
    left:-150px;
    height:500px;
    opacity: 0.5;
    -moz-opacity: 0.5;
    filter:progid:DXImageTransform.Microsoft.Alpha(opacity=50);
    filter: url(filters.svg#grayscale);
    filter: gray;
    -webkit-filter: grayscale(1);
    max-width: none;
}
    
.wrap_zoom a img:hover  {
    filter: none;
    -webkit-filter: grayscale(0);

}