si', e' lo script ad essere molto approssimativo
l' ho modificato per fargli fare quello che chiedi,
ma serve usare una versione piu' recente di jquery
o se vuoi usare quella vecchia devi aggiungere il plugin dimensions per ottenere scrollLeft e scrollTop
codice:
/* Greybox Redux
* Required: http://jquery.com/
* Written by: John Resig
* Based on code by: 4mir Salihefendic (http://amix.dk)
* License: LGPL (read more in LGPL.txt)
*/
var GB_DONE = false;
var GB_HEIGHT = 400;
var GB_WIDTH = 400;
function GB_show(caption, url, height, width) {
GB_HEIGHT = height || 400;
GB_WIDTH = width || 400;
if(!GB_DONE) {
var wH=$(window).height();
var dH=$(document).height();
var maxH=(wH>dH)?wH:dH;
$(document.body)
.append("<div id='GB_overlay' style='height:"+maxH+"px'></div><div id='GB_window'><div id='GB_caption'></div>"
+ "[img]js/greybox/close.gif[/img]</div>");
$("#GB_window img").click(GB_hide);
$("#GB_overlay").click(GB_hide);
$(window).resize(GB_position);
GB_DONE = true;
}
$("#GB_frame").remove();
$("#GB_window").append("<iframe id='GB_frame' src='"+url+"'></iframe>");
$("#GB_caption").html(caption);
$("#GB_overlay").show();
GB_position();
if(GB_ANIMATION)
$("#GB_window").slideDown("slow");
else
$("#GB_window").show();
}
function GB_hide() {
$("#GB_window,#GB_overlay").hide();
}
function GB_position() {
var l = $('html').scrollLeft()+(($(window).width()-GB_WIDTH)/2);
var t = $('html').scrollTop()+(($(window).height()-GB_HEIGHT)/2);
l=(l<0)?0:l;
t=(t<0)?0:t;
$("#GB_window").css({width:GB_WIDTH+"px",height:GB_HEIGHT+"px",
left: l+"px", top: t+"px" });
$("#GB_frame").css("height",GB_HEIGHT - 32 +"px");
}
ciao