function open_img(img, w ,h) {
w = w + 30;
h = h + 60;
var win = "width="+w+",height="+h+",menubar=no,location=no,resizable=yes,scrollbars=yes";
var sHTML = window.open('', 'newWin', win);
sHTML.document.write('Image');
sHTML.document.write('
');
sHTML.document.write('');
sHTML.document.write('');
sHTML.document.close();
}