/* Mark menu item with .active class */
function menuActivate(id)
{
	if (elm=document.getElementById(id))
		elm.className += ' active';
}

function getElementHeight(Elem)
{
	if (document.getElementById)
	{
		var elem = document.getElementById(Elem);
	}
	else if (document.all)
	{
		var elem = document.all[Elem];
	}
	return elem.offsetHeight;
}

function setHeight(id)
{
	var target = document.getElementById(id);
	target.style.height = (getElementHeight('body')-160)+'px';
}