/*
DezinerFolio.com Simple Accordians.

Author  : G.S.Navin Raj Kumar
Website : http://dezinerfolio.com

*/

/*
* The Variable names have been compressed to achive a higher level of compression.
*/

// set or get the current display style of the div
function dsp(d, v) {
  if (v == undefined) {
    return d.style.display;
  } else {
    d.style.display = v;
  }
}

// set or get the height of a div.
function sh(d, v) {
  // if you are getting the height then display must be block to return the absolute height
  if (v == undefined) {
    if (dsp(d) != 'none' && dsp(d) != '') {
      return d.offsetHeight;
    }
    viz = d.style.visibility;
    d.style.visibility = 'hidden';
    o = dsp(d);
    dsp(d, 'block');
    r = parseInt(d.offsetHeight);
    dsp(d, o);
    d.style.visibility = viz;
    return r;
  } else {
    d.style.height = v;
  }
}
/*
* Variable 'S' defines the speed of the accordian
* Variable 'T' defines the refresh rate of the accordian
*/
s = 7;
t = 10;

//Collapse Timer is triggered as a setInterval to reduce the height of the div exponentially.
function ct(d) {
  d = document.getElementById(d);
  if (sh(d) > 0) {
    v = Math.round(sh(d) / d.s);
    v = (v < 1) ? 1 : v;
    v = (sh(d) - v);
    sh(d, v + 'px');
    d.style.opacity = (v / d.maxh);
    d.style.filter = 'alpha(opacity=' + (v * 100 / d.maxh) + ');';
  } else {
    sh(d, 0);
    dsp(d, 'none');
    clearInterval(d.t);
  }
}

//Expand Timer is triggered as a setInterval to increase the height of the div exponentially.
function et(d) {
  d = document.getElementById(d);
  if (sh(d) < d.maxh) {
    v = Math.round((d.maxh - sh(d)) / d.s);
    v = (v < 1) ? 1 : v;
    v = (sh(d) + v);
    sh(d, v + 'px');
    d.style.opacity = (v / d.maxh);
    d.style.filter = 'alpha(opacity=' + (v * 100 / d.maxh) + ');';
  } else {
    sh(d, d.maxh);
    clearInterval(d.t);
  }
}

// Collapse Initializer
function cl(d) {
  if (dsp(d) == 'block') {
    clearInterval(d.t);
    d.t = setInterval('ct("' + d.id + '")', t);
  }
}

//Expand Initializer
function ex(d) {
  if (dsp(d) == 'none') {
    dsp(d, 'block');
    d.style.height = '0px';
    clearInterval(d.t);
    d.t = setInterval('et("' + d.id + '")', t);
  }
}

// Removes Classname from the given div.
function cc(n, v) {
  s = n.className.split(/\s+/);
  for (p = 0; p < s.length; p++) {
    if (s[p] == v + n.tc) {
      s.splice(p, 1);
      n.className = s.join(' ');
      break;
    }
  }
}
//Accordian Initializer
function Accordian(d, s, tc) {
  // get all the elements that have id as content
  l = document.getElementById(d).getElementsByTagName('div');
  c = [];
  for (i = 0; i < l.length; i++) {
    h = l[i].id;
    if (h.substr(h.indexOf('-') + 1, h.length) == 'content') { c.push(h); }
  }
  sel = null;
  //then search through headers
  for (i = 0; i < l.length; i++) {
    h = l[i].id;
    if (h.substr(h.indexOf('-') + 1, h.length) == 'header') {
      d = document.getElementById(h.substr(0, h.indexOf('-')) + '-content');
      d.style.display = 'none';
      d.style.overflow = 'hidden';
      d.maxh = sh(d);
      d.s = (s == undefined) ? 7 : s;
      h = document.getElementById(h);
      h.tc = tc;
      h.c = c;
      // set the onclick function for each header.
      h.onclick = function () {
        for (i = 0; i < this.c.length; i++) {
          cn = this.c[i];
          n = cn.substr(0, cn.indexOf('-'));
          if ((n + '-header') == this.id) {
            ex(document.getElementById(n + '-content'));
            n = document.getElementById(n + '-header');
            cc(n, '__');
            n.className = n.className + ' ' + n.tc;
          } else {
            cl(document.getElementById(n + '-content'));
            cc(document.getElementById(n + '-header'), '');
          }
        }
      }
      if (h.className.match(/selected+/) != undefined) { sel = h; }
    }
  }
  if (sel != undefined) { sel.onclick(); }
}

$(document).ready(function () {
  new Accordian('Accordion', 5, 'SidebarNavigationHeaderHighlighted');
});