Shadowbox.init({language:"en",players:["html", "iframe", "img"],handleUnsupported:"remove",continuous:true,viewportPadding:"0",handleOversize:"resize"});

 function open_pic(id,gal) {


    Shadowbox.open({content:'http://taniabruguera.com/cms/index.php?rex_resize=500a__'+id,player:"img",gallery:gal,handleOversize:"drag",continuous:true});
}