function foto(title, img, width, height, pr) {
var width=(width ? width : 520-20);
var height=(height ? height : 520-90-10);
var win=window.open('', '_blank', 'width='+width+', height='+height+', left='+((screen.width-width)/2)+', top='+((screen.height-height)/2)+', toolbar=no, menubar=no, resizable=yes, status=yes, location=no, alwaysRaised=yes, scrollbars=no');
win.document.write(''+title+'');
}