/* 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_getBrowserInfo() {
   var t,v = undefined;
   if (window.opera) t = 'Opera';
   else if (document.all) {
      t = 'IE';
      var nv = navigator.appVersion;
      var s = nv.indexOf('MSIE')+5;
      v = nv.substring(s,s+1);
   }
   else if (navigator.appName) t = 'Netscape';
   return {type:t,version:v};
}

function GB_getDocumentWidth(){
   var de = document.documentElement;
   var w = self.innerWidth || (de&&de.clientWidth) || document.body.clientWidth;
   return w;
}

function GB_show(caption, url, height, width) {
   GB_HEIGHT = height || 400;
   GB_WIDTH = width || 400;
   if (GB_WIDTH > (GB_getDocumentWidth() - 20)){
      GB_WIDTH = (GB_getDocumentWidth() - 20);
   }
   if(!GB_DONE) {
      $(document.body)
      .append("<div id='GB_overlay' style='display: none;'></div><div id='GB_message' class='ajax_message'></div><div id='GB_window' style='display: none;'><div id='GB_caption'></div>"
      + "<img src='/system/js/greybox/close.gif' alt='Close window'/></div>");
      $("#GB_window img").click(GB_hide);
      $("#GB_overlay").click(GB_hide);
      $(window).resize(GB_position);
      GB_DONE = true;
   }

   showMessage("Загрузка .. <img src='/images/preload.gif'>", 900000, "GB_message");
   $("#GB_window").css("top",(getScrollTop()+10)+"px");

   $("#GB_frame").remove();
   $("#GB_window").append("<iframe id='GB_frame' src='"+url+"'></iframe>");

   $("#GB_caption").html(caption);


   var b = GB_getBrowserInfo();
   if (b.type == 'IE'){
      $("#GB_overlay").show();
   } else {  
      $("#GB_overlay").animate({opacity: "show"}, 400);
   }



   GB_position();

   if(GB_ANIMATION){
      $("#GB_frame").load(function(){
         hideMessage("GB_message");
         $("#GB_window").slideDown("slow");    	
         $("#GB_frame").unbind( "load" );
      });
   } else {
      $("#GB_frame").load(function(){
         $("#GB_window").show();
         $("#GB_frame").unbind( "load" );
      });
   }
}

function GB_hide() {
   var b = GB_getBrowserInfo();
   if (b.type == 'IE'){
      $("#GB_window,#GB_overlay").hide();
   } else {  
      $("#GB_window,#GB_overlay").animate({opacity: "hide"}, 400);
   }
}

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 - 32 +"px");
}