/* SWIM2.0 :: Simple website menu
****************************************************************
* DOM scripting by brothercake -- http://www.brothercake.com/
* Licensed under GPL -- http://www.gnu.org/copyleft/gpl.html
****************************************************************
* For professional menu solutions visit -- http://www.udm4.com/ 
****************************************************************
*/



window.onload = function()
{
	var verticals = new simpleMenu('menu-v', 'vertical');
	var horizontals = new simpleMenu('menu-h', 'horizontal');
};



function simpleMenu(navid, orient)
{
  if(typeof document.getElementById == 'undefined' || /opera[\/ ][56]/i.test(navigator.userAgent)) 
  { return; }
  this.iskde = navigator.vendor == 'KDE';
  this.isie = typeof document.all != 'undefined' && typeof window.opera == 'undefined' && !this.iskde;
  this.isoldsaf = navigator.vendor == 'Apple Computer, Inc.' && typeof XMLHttpRequest == 'undefined';
  this.tree = document.getElementById(navid);
  if(this.tree != null)
  { this.items = this.tree.getElementsByTagName('li');
    this.itemsLen = this.items.length;var i = 0; 
    do{this.init(this.items[i], this.isie, this.isoldsaf, this.iskde, navid, orient);}while (++i < this.itemsLen);
  }
}
  
simpleMenu.prototype.init = function(trigger, isie, isoldsaf, iskde, navid, ishoriz)
{
  trigger.menu = trigger.getElementsByTagName('ul').length > 0 ? trigger.getElementsByTagName('ul')[0] : null;
  trigger.link = trigger.getElementsByTagName('a')[0];
  trigger.issub = trigger.parentNode.id == navid;trigger.ishoriz = ishoriz == 'horizontal';
  this.openers = { 'm' : 'onmouseover', 'k' : (isie ? 'onactivate' : 'onfocus') };
  for(var i in this.openers)
  { trigger[this.openers[i]] = function(e)
    {
      if(!iskde) 
      { trigger.link.className += (trigger.link.className == '' ? '' : ' ') + 'rollover'; }
      if(trigger.menu != null)
      { if(trigger.ishoriz) { trigger.menu.style.left = (isie || isoldsaf) ? trigger.offsetLeft + 'px' : 'auto'; }
        trigger.menu.style.top = (trigger.ishoriz && trigger.issub) ? (isie || (trigger.ishoriz && isoldsaf)) ? trigger.link.offsetHeight + 'px' : 'auto' : (isie || (trigger.ishoriz && isoldsaf)) ? trigger.offsetTop + 'px' : '0';
      }
    };
  }
  
  this.closers = { 'm' : 'onmouseout', 'k' : (isie ? 'ondeactivate' : 'onblur') };
  for(i in this.closers)
  {
    trigger[this.closers[i]] = function(e)
    { this.related = (!e) ? window.event.toElement : e.relatedTarget;
      if(!this.contains(this.related))
      { if(!iskde) { trigger.link.className = trigger.link.className.replace(/[ ]?rollover/g, ''); }
        if(trigger.menu != null)
        { trigger.menu.style[(trigger.ishoriz ? 'left' : 'top')] = trigger.ishoriz ? '-10000px' : '-100em';}
      }
    };                                                                                 
  }
    
  if(!isie)
  {
    trigger.contains = function(node)
    { if (node == null) { return false; }
      if (node == this) { return true; } else { return this.contains(node.parentNode); }
    };
  }
}