var popup;

function zoom(type,page_id,id,width,height) {
    var pW, pH, lW, lH, scroll=1;
    if (popup) popup.close();
    pW = width+22;
    pH = height+70;

    popup=window.open('/zoom/'+type+'/'+page_id+'/'+id,'zoom','width='+pW+', height='+pH+', scrollbars='+scroll+', resizable=1, status=0');
    popup.focus();
}