function deplie(dom)
{
	var element = dom.parentNode;
	var child = element.childNodes;
	var length = child.length;
        for(i=0;i<length;i++){
              if(child[i].tagName=='UL')
                   theElement=child[i];
        }

	if (theElement.style.display == 'block')
		theElement.style.display = 'none';
	else
		theElement.style.display = 'block';
		
	return false;
}