$.extend({
  getUrlVars: function(){
    var vars = [], hash;
    var hashes = window.location.href.slice(window.location.href.indexOf('?') + 1).split('&');
    for(var i = 0; i < hashes.length; i++)
    {
      hash = hashes[i].split('=');
      vars.push(hash[0]);
      vars[hash[0]] = hash[1];
    }
    return vars;
  },
  getUrlVar: function(name){
    return $.getUrlVars()[name];
  },
  hrefScrolled: function(url){
	itop = $(window).scrollTop();
	document.location.href = url + (url.indexOf("?", 0) >=0 ? "&" : "?") + "scrollto="+itop;
  }
});

$(document).ready(function() {
	var scrollto = $.getUrlVar('scrollto');

        $("scrollhref").each(function() {
            var newHREF = "javascript:$.hrefScrolled('" + $( this ).attr('href') + "');";
            $( this ).attr('href', newHREF);
        });

	if (typeof(scrollto) != 'undefined') {
		$(window).scrollTop(scrollto);
	}
});