var menu = null; function init_menu()
{ menu = document.getElementById('menu'); var li = menu.getElementsByTagName('li'), i = li.length; while (i--) li[i].onmouseover = showMenu; menu.onmouseout = timeout; menu.onmouseover = cleartimer;}
var timer = null; function timeout()
{ timer = setTimeout('hideMenus(menu, null)', 1000);}
function cleartimer()
{ if (timer)
{ clearTimeout(timer); timer = null;}
}
function showMenu()
{ var ul = this.parentNode; while (ul)
{ if (ul.tagName.toLowerCase() == 'ul')
{ hideMenus(ul, this); break;}
ul = ul.parentNode;}
ul = this.firstChild; while (ul)
{ if (ul.nodeType == 1 && ul.tagName.toLowerCase() == 'ul')
{ ul.style.display = 'block'; ul.style.visibility = ''; break;}
ul = ul.nextSibling;}
}
function hideMenus(level, skipli)
{ var stack = [level], i = 0, li, j, el, tag; do
{ li = stack[i].childNodes, j = li.length; while (j--)
{ el = li[j]; if (el.nodeType == 1 && el != skipli)
{ tag = el.tagName.toLowerCase(); if (tag == 'li')
{ stack[i++] = el;}
else if (tag == 'ul' && el.style.display == 'block')
{ stack[i++] = el; el.style.display = 'none'; el.style.visibility = 'hidden';}
}
}
}
while (i--);}
function showhide(obj_ID)
{ if (document.getElementById)
{ target = document.getElementById(obj_ID)
if (target.style.display=="none")
{ target.style.display="";}
else
{ target.style.display="none";}
}
}