/* 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>"
        + "<img src='/public/images/close.gif' alt='Close window'/></div>");
    $("#GB_window img").click(GB_hide);
    $("#GB_overlay").click(GB_hide);
    $(window).resize(GB_position);
    GB_DONE = true;
  }

  $("#GB_frame").remove();
	$('#GB_loader').show();
	$.post(url, { },
	function(e){
		
		$('#GB_loader').remove();
		$("#GB_window").append( e );
		
	});

  $("#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').hide();
  $('#GB_overlay').fadeOut('fast');
}

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


function height_window()
{
	if(window.innerHeight) return window.innerHeight;
	if(document.body.clientHeight) return document.body.clientHeight;
	return (null);
}

var isIE=0;
var isOtherBrowser=0;
function pokus()
{
	if(navigator.appName.indexOf('Microsoft Internet Explorer')!=-1)
	{
		isIE=1;
		var height_div = 100;// document.getElementById("GB_frame").offsetHeight;
		height=height_window();
		
		$("#GB_window").css("top",((height-height_div)/2) +'px');
	}
	else
	{
		isOtherBrowser =1;
		var height_div = 100; //document.getElementById("GB_frame").offsetHeight;
		height=height_window();
		
		$("#GB_window").css("top",((height-height_div)/2)+'px');
	}
}