function initChoice()
{
	var hold = document.getElementById("choice");
	if(hold)
	{
		var nodes = hold.getElementsByTagName("li");
		for( var i = 0 ; i < nodes.length ; i++)
		{
			nodes[i].btn = nodes[i].getElementsByTagName("a");
			for( var j = 0 ; j < nodes[i].btn.length ; j++)
			{
				nodes[i].btn[j].ind = i;
				if(nodes[i].btn[j].className.indexOf('open') != -1)
				{
					nodes[i].btn[j].onclick = function ()
					{
						if(nodes[this.ind].className.indexOf('active') == -1 ) nodes[this.ind].className += ' active';
					}
				}
				else if(nodes[i].btn[j].className.indexOf('close') != -1)
				{
					nodes[i].btn[j].onclick = function ()
					{
						nodes[this.ind].className = nodes[this.ind].className.replace('active','');
					}
				}
			}
		}
	}
}
if (window.addEventListener){
	window.addEventListener("load", initChoice, false);
}
else if (window.attachEvent && !window.opera){
	window.attachEvent("onload", initChoice);
}