// JavaScript Document

tb = document.getElementById("tabs").getElementsByTagName("DIV");
for (i=0; i<tb.length; i++)
{
	tb[i].onclick = function()
	{
		if (this.className == "tab_item")
		{
			this.className = "tab_item act";
			for (i=0; i<tb.length; i++)
				if (tb[i] != this)
					tb[i].className = "tab_item";
			document.getElementById('type').value = this.id;
		}
	}
}