$(document).ready(function(){
  $('.jumpBtn').click(function(){
    $('#' + this.rel).ScrollTo(500);
//    if(document.getElementById('#' + this.rel).style.display == "none"){$('#' + this.rel).slideDown(500);$('#toggleBtn' + this.rel).html('-')};
    return false;
  });

  $('.BTT').click(function(){$('#head').ScrollTo(500);return false});

  $(".toggleBtn").toggle(function(){
    if(document.getElementById(this.rel).style.display == "none"){$("#" + this.rel).slideDown(500);this.innerHTML = "-";return};
    this.innerHTML = "+";

    $("#" + this.rel).slideUp(500);

  },function(){
    if(document.getElementById(this.rel).style.display == "block"){$("#" + this.rel).slideUp(500); this.innerHTML = "+";return};
    this.innerHTML = "-";
    $("#" + this.rel).slideDown(500);


  });
});

//////////////////// scroll ////////////////////////////////////////////////////////////////////////////
jQuery.getPos = function(e){
  var l = 0;
  var t = 0;
  var w = jQuery.intval(jQuery.css(e,'width'));
  var h = jQuery.intval(jQuery.css(e,'height'));
  var wb = e.offsetWidth;
  var hb = e.offsetHeight;
  while (e.offsetParent){
    l += e.offsetLeft + (e.currentStyle?jQuery.intval(e.currentStyle.borderLeftWidth):0);
    t += e.offsetTop + (e.currentStyle?jQuery.intval(e.currentStyle.borderTopWidth):0);
    e = e.offsetParent;
  }
  l += e.offsetLeft + (e.currentStyle?jQuery.intval(e.currentStyle.borderLeftWidth):0);
  t += e.offsetTop + (e.currentStyle?jQuery.intval(e.currentStyle.borderTopWidth):0);
  return {x:l, y:t, w:w, h:h, wb:wb, hb:hb};
};

jQuery.getClient = function(e){
  if (e) {
    w = e.clientWidth;
    h = e.clientHeight;
  } else {
    w = (window.innerWidth) ? window.innerWidth : (document.documentElement && document.documentElement.clientWidth) ? document.documentElement.clientWidth : document.body.offsetWidth;
    h = (window.innerHeight) ? window.innerHeight : (document.documentElement && document.documentElement.clientHeight) ? document.documentElement.clientHeight : document.body.offsetHeight;
  }
  return {w:w,h:h};
};

jQuery.getScroll = function(e){
  if (e) {
    t = e.scrollTop;
    l = e.scrollLeft;
    w = e.scrollWidth;
    h = e.scrollHeight;
  } else {
    if (document.documentElement && document.documentElement.scrollTop) {
      t = document.documentElement.scrollTop;
      l = document.documentElement.scrollLeft;
      w = document.documentElement.scrollWidth;
      h = document.documentElement.scrollHeight;
    } else if (document.body) {
      t = document.body.scrollTop;
      l = document.body.scrollLeft;
      w = document.body.scrollWidth;
      h = document.body.scrollHeight;
    }
  }
  return { t: t, l: l, w: w, h: h };
};

jQuery.intval = function (v){
  v = parseInt(v);
  return isNaN(v) ? 0 : v;
};

jQuery.fn.ScrollTo = function(s) {
  o = jQuery.speed(s);
  return this.each(function(){
    new jQuery.fx.ScrollTo(this, o);
  });
};

jQuery.fx.ScrollTo = function (e, o){
  var z = this;
  z.o = o;
  z.e = e;
  z.p = jQuery.getPos(e);
  z.s = jQuery.getScroll();
  z.clear = function(){clearInterval(z.timer);z.timer=null};
  z.t=(new Date).getTime();
  z.step = function(){
    var t = (new Date).getTime();
    var p = (t - z.t) / z.o.duration;
    if (t >= z.o.duration+z.t) {
      z.clear();
      setTimeout(function(){z.scroll(z.p.y, z.p.x)},13);
    } else {
      st = ((-Math.cos(p*Math.PI)/2) + 0.5) * (z.p.y-z.s.t) + z.s.t;
      sl = ((-Math.cos(p*Math.PI)/2) + 0.5) * (z.p.x-z.s.l) + z.s.l;
      z.scroll(st, sl);
    }
  };
  z.scroll = function (t, l){window.scrollTo(l, t)};
  z.timer=setInterval(function(){z.step();},13);
};