function openpic(pic, window_width, window_height)
{
var window_left = (screen.availWidth / 2) - (window_width / 2);
var window_top = (screen.availHeight / 2) - (window_height /2);
var window_dimensions = "height=" + window_height + ",width=" + window_width + ",left=" + window_left + ",top=" + window_top;
window.open("/pic.php?pic="+pic, "photo", window_dimensions + ", scrollbars=1, resizable=1");
}


function openhtml(htmlfile, window_width, window_height)
{
var window_left = (screen.availWidth / 2) - (window_width / 2);
var window_top = (screen.availHeight / 2) - (window_height /2);
var window_dimensions = "height=" + window_height + ",width=" + window_width + ",left=" + window_left + ",top=" + window_top;
window.open(htmlfile, "htmlfile", window_dimensions + ", scrollbars=1, resizable=1");
}