/* 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) {
    $(document.body)
      .append("<div id='GB_overlay'></div><div id='GB_window'><div id='GB_caption'></div>"
        + "<span>CLOSE</span></div>");
    $("#GB_window span").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' scrolling='no' src='"+url+"'></iframe>");

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

  if(GB_ANIMATION)
    $("#GB_window").fadeIn();
  else
    $("#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 h = self.innerHeight || (de&&de.clientHeight) || document.body.clientHeight;
  var s = self.offsetHeight || (de&&de.scrollHeight) || document.body.scrollHeight;
  var p = self.pageYOffset || (de&&de.scrollTop) || document.body.scrollTop;
  $("#GB_window").css({ width:GB_WIDTH+"px",height:GB_HEIGHT+"px", 
  	left:((w - GB_WIDTH)/2)+"px", top:(((h - GB_HEIGHT) / 2) + p)+"px" });
  $("#GB_frame").css("height",GB_HEIGHT - 22 +"px");
  $("#GB_overlay").css({ height:(s)+"px" });
}