/* 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)
 */
 
 /* Mods by Kevin Southworth */

var GB_DONE = false;
var GB_HEIGHT = 400;
var GB_WIDTH = 400;
var GB_CENTERED = false;

function GB_show(url, width, height, isCentered) {
  GB_CENTERED = isCentered || false;
  GB_HEIGHT = height || 400;
  GB_WIDTH = width || 400;
  if(!GB_DONE) {
    $(document.body)
      .append("<div id='GB_overlay'></div> <div id='GB_window'><a class='modalClose' title='close' /></div>");        
    $("#GB_window a.modalClose").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+"\" frameborder='0'></iframe>");

  //$("#GB_caption").html(caption);
  $("#GB_overlay").show();
  GB_position();

//  if(GB_ANIMATION)
//    $("#GB_window").slideDown("slow");
//  else
//    $("#GB_window").show();
  $("#GB_window").show();
}

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;
  var topPx = ($(document).scrollTop() + 30) + "px"; // account for user's scrollbar position   
  var leftPx = "260px";
  if(GB_CENTERED)
  {
    leftPx = ((w - GB_WIDTH) / 2) + "px";
  }
  $("#GB_window").css({ width:GB_WIDTH+"px", height:GB_HEIGHT+"px", left: leftPx, top: topPx });    
  $("#GB_frame").css("height",GB_HEIGHT - 12 +"px");
}