var pop = null;

function popdown() {
  if (pop && !pop.closed) pop.close();
}

function popup(obj,w,h) {
  var url = (obj.getAttribute) ? obj.getAttribute('href') : obj.href;
  if (!url) return true;
  w = (w) ? w += 20 : 150;  // 150px*150px is the default size
  h = (h) ? h += 25 : 150;
  var args = 'width='+w+',height='+h+',resizable';
  popdown();
  pop = window.open(url,'',args);
  return (pop) ? false : true;
}

window.onunload = popdown;
window.onfocus = popdown;


function enableDropdownMenuForIE()
{
    if (document.all)
	{
        uls = document.getElementsByTagName('UL');

        for(i = 0; i < uls.length; i++)
        {
            if (uls[i].className == 'dropdown')
            {
                var lis = uls[i].getElementsByTagName('li');

                for (j = 0; j < lis.length; j++)
                {
                    if(lis[j].lastChild.tagName == 'UL')
                    {   lis[j].onmouseover = function() { this.lastChild.style.display = 'block'; this.lastChild.style.backgroundColor = '#FFFFFF';}
                        /*lis[j].onmouseover = function() { this.lastChild.style.display = 'block'; } */
                        lis[j].onmouseout = function() { this.lastChild.style.display = 'none'; }
                    }
                }
            }
        }
    }
}