/* 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 = 450;
var GB_WIDTH = 450;

function GB_show(caption, url, height, width,closeBtn) {
  if(closeBtn){
    GB_CLOSE = closeBtn;
  }else{
    GB_CLOSE = "gbClose";
  }
  
  
  
  GB_HEIGHT = height || 450;
  GB_WIDTH = width || 450;
  if(!GB_DONE) {
    $(document.body)
      .append("<div id='GB_overlay'></div><div id='GB_window'></div>");
    $("#GB_overlay").height($(document).height());
	$("#GB_window").append("<div id='GBLoad'><table><tr><td valign='center' align='center'><img src='images/saving.gif'></div></td></tr></table>");
	//$("#GB_window img").click(GB_hide);
    $("#GB_overlay").click(GB_hide);
    $(window).resize(GB_position);
    GB_DONE = true;
  }

  $("#GB_frame").remove();
  
  //append rnd number to url to force reload (url is pulled from the anchor tag)
  var t= Math.floor(Math.random()*10000);
  url = url+"&tail="+t;
  //create the iframe
  
  //$('#GB_window').html("<iframe id='GB_Frame' frameBorder='0'></iframe>");
  
  var iFrameObj = document.createElement('IFRAME');
  iFrameObj.id = 'GB_frame';
  iFrameObj.frameBorder = 0;
  $('#GB_window').append(iFrameObj);
  iFrameObj.src = url;
  
  
  $(iFrameObj).load(function(){
     $('#GBLoad').hide(50,function(){
	     $('#GBLoad').remove();
	 });
  });

  //$("#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();
}

/*previous version
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" });
  $("#GB_frame").css("height",GB_HEIGHT-10 +"px");
}
*/
function GB_position()
{
    var de = document.documentElement;
    var h = self.innerHeight || (de&&de.clientHeight) || document.body.clientHeight;
    var w = self.innerWidth || (de&&de.clientWidth) || document.body.clientWidth;
    var iebody=(document.compatMode && document.compatMode != "BackCompat")? document.documentElement : document.body;
    var dsocleft=document.all? iebody.scrollLeft : pageXOffset;
    var dsoctop=document.all? iebody.scrollTop : pageYOffset;
    
    var height = h < GB_HEIGHT ? h - 32 : GB_HEIGHT;
    var top = (h - height)/2 + dsoctop;
    
    $("#GB_window").css({width:GB_WIDTH+"px",height:height+"px",
      left: ((w - GB_WIDTH)/2)+"px", top: top+"px" });
    $("#GB_frame").css("height",height - 0 +"px");
    //$("#GB_overlay").css({height:h, top:dsoctop + "px", width:w});
}