function open_previewpic (imageURL) {
var caption = '';
var windowTop = 30;
var windowLeft = 30;
var defaultWidth = 500;
var defaultHeight = 500;
var onLoseFocusExit = true;
var Poster;
var Options = "width=" + defaultWidth + ",height=" + defaultHeight + ",top=" + windowTop + ",left=" + windowLeft + ",scrollbars=yes"
var myScript = "\n" +
"\n" +
"\n" +
"" + caption + "\\n" +
"\n" +
"\n" +
"\n" +
"