/* 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, htmlstring) {
	GB_HEIGHT = height || 400;
	GB_WIDTH = width || 400;
	if(!GB_DONE) {
		$(document.body)
		.append("<div id='GB_overlay'></div><div id='GB_window'><div id='GB_caption'></div><img src='greyboxclose.gif' alt='Chiudi'/><div id='GB_scrivi' style='margin:2px;position:relative; top:1px'></div></div>");
		$("#GB_window img").click(GB_hide);
		$("#GB_overlay").click(GB_hide);
		$(window).resize(GB_position);
		GB_DONE = true;
	}

	$("#GB_frame").remove();
	if(url!="") {
		$("#GB_scrivi").html("<iframe id='GB_frame' src='"+url+"'></iframe>");
	}else{
  		$("#GB_scrivi").html(htmlstring);
	}
	$("#GB_caption").html(caption);
	$("#GB_overlay").show();
	GB_position();	
	$("#GB_window").slideDown("slow");
}

function GB_hide() {
	$("#GB_window,#GB_overlay").hide();
}

function GB_position() {
	var de = document.documentElement;
	var w = self.innerWidth || (de&&de.clientWidth) || document.body.clientWidth;
	$("#GB_window").css({width:GB_WIDTH+"px",height:GB_HEIGHT+"px", left: ((w - GB_WIDTH)/2)+"px", top: (document.body.scrollTop+100)+"px"});
	$("#GB_overlay").css({top: document.body.scrollTop+"px"});
	$("#GB_frame").css("height",GB_HEIGHT - 32 +"px");
}