function scrollPositionToCookie() {
	var x,y;
	// all except Explorer
	if (self.pageYOffset)
	{
		x = self.pageXOffset;
		y = self.pageYOffset;
	}
	// Explorer 6 Strict
	else if (document.documentElement && document.documentElement.scrollTop)
	{
		x = document.documentElement.scrollLeft;
		y = document.documentElement.scrollTop;
	}
	// all other Explorers
	else if (document.body)
	{
		x = document.body.scrollLeft;
		y = document.body.scrollTop;
	}

	setCookie('scrollPosition',x + ';' + y,'','/');
}

function scrollPositionFromCookie() {
	if (getCookie('scrollPosition')) {
		var xy = getCookie('scrollPosition');
		var koord = xy.split(";");
		window.scrollTo(koord[0], koord[1]);
		deleteCookie('scrollPosition','/','');
	}
}

/**
 * Sets a Cookie with the given name and value.
  *
   * name       Name of the cookie
    * value      Value of the cookie
     * [expires]  Expiration date of the cookie (default: end of current session)
      * [path]     Path where the cookie is valid (default: path of calling document)
       * [domain]   Domain where the cookie is valid
        *              (default: domain of calling document)
	 * [secure]   Boolean value indicating if the cookie transmission requires a
	  *              secure transmission
	   */
	   function setCookie(name, value, expires, path, domain, secure)
	   {
	       document.cookie= name + "=" + escape(value) +
	               ((expires) ? "; expires=" + expires.toGMTString() : "") +
		               ((path) ? "; path=" + path : "") +
			               ((domain) ? "; domain=" + domain : "") +
				               ((secure) ? "; secure" : "");
					       }

					       /**
					        * Gets the value of the specified cookie.
						 *
						  * name  Name of the desired cookie.
						   *
						    * Returns a string containing value of specified cookie,
						     *   or null if cookie does not exist.
						      */
						      function getCookie(name)
						      {
						          var dc = document.cookie;
							      var prefix = name + "=";
							          var begin = dc.indexOf("; " + prefix);
								      if (begin == -1)
								          {
									          begin = dc.indexOf(prefix);
										          if (begin != 0) return null;
											      }
											          else
												      {
												              begin += 2;
													          }
														      var end = document.cookie.indexOf(";", begin);
														          if (end == -1)
															      {
															              end = dc.length;
																          }
																	      return unescape(dc.substring(begin + prefix.length, end));
																	      }

/**
 * Deletes the specified cookie.
  *
   * name      name of the cookie
    * [path]    path of the cookie (must be same as path used to create cookie)
     * [domain]  domain of the cookie (must be same as domain used to create cookie)
      */
      function deleteCookie(name, path, domain)
      {
          if (getCookie(name))
	      {
	              document.cookie = name + "=" + 
		                  ((path) ? "; path=" + path : "") +
				              ((domain) ? "; domain=" + domain : "") +
					                  "; expires=Thu, 01-Jan-70 00:00:01 GMT";
							      }
							      }