docs: function _fnReadCookie ( sName )
  		{
  			var
  				aParts = window.location.pathname.split('/'),
  				sNameEQ = sName + '_' + aParts[aParts.length-1].replace(/[\/:]/g,"").toLowerCase() + '=',
  			 	sCookieContents = document.cookie.split(';');
  			
  			for( var i=0 ; i<sCookieContents.length ; i++ )
  			{
  				var c = sCookieContents[i];
  				
  				while (c.charAt(0)==' ')
  				{
  					c = c.substring(1,c.length);
  				}
  				
  				if (c.indexOf(sNameEQ) === 0)
  				{
  					return decodeURIComponent( c.substring(sNameEQ.length,c.length) );
  				}
  			}
  			return null;
  		}