var defaultSheetTitle = "Wide: Default";
var alternateSheetTitle = "Slim";


checkBrowserWidth();
attachEventListener(window, "resize", checkBrowserWidth, false);

function checkBrowserWidth()
{
   var theWidth = getBrowserWidth();
   
   if ( theWidth == 0 )
   {
      var resolutionCookie = document.cookie.match(/(^|;)tmib_res_layout[^;]*(;|$)/);
      
      if ( resolutionCookie != null )
      {
         setStylesheet(unescape(resolutionCookie[0].split("=")[1]));
      }
      
      addLoadListener(checkBrowserWidth);
      
      return false;
   }

   if ( theWidth <= 800 )
   {
      setStylesheet(alternateSheetTitle);
      document.cookie = "tmib_res_layout=" + escape(alternateSheetTitle);
   }
   else
   {
      setStylesheet(defaultSheetTitle);
      document.cookie = "tmib_res_layout=";
   }
   
   return true;
};




function getBrowserWidth()
{
   if ( window.innerWidth )
   {
      return window.innerWidth;
   }
   else if ( document.documentElement && document.documentElement.clientWidth != 0 )
   {
      return document.documentElement.clientWidth;
   }
   else if ( document.body )
   {
      return document.body.clientWidth;
   }
   
   return 0;
};




function setStylesheet(styleTitle)
{
   var currTag;

   if ( document.getElementsByTagName )
   {
      for ( var i = 0; (currTag = document.getElementsByTagName("link")[i]); i++ )
      {
         if ( currTag.getAttribute("rel").indexOf("style") != -1 && currTag.getAttribute("title") )
         {
            currTag.disabled = true;

            if ( currTag.getAttribute("title") == styleTitle )
            {
               currTag.disabled = false;
            }
         }
      }
   }
   
   return true;
};