function initTabs()
{
	var sets = document.getElementsByTagName("ul");
	for (var i = 0; i < sets.length; i++)
	{
		if (sets[i].className.indexOf("tabset") != -1)
		{
			var tabs = [];
			var links = sets[i].getElementsByTagName("a");
			for (var j = 0; j < links.length; j++)
			{
				if (links[j].className.indexOf("tabs") != -1)
				{
					tabs.push(links[j]);
					links[j].tabs = tabs;
					var c = document.getElementById(links[j].href.substr(links[j].href.indexOf("#") + 1));

					//reset all tabs on start
					if (c) if (links[j].parentNode.className.indexOf("active") != -1) c.style.display = "block";
					else c.style.display = "none";

					links[j].onmouseover = function ()
					{
						var _page = document.getElementById('page');
						if (_page) {
							var c = document.getElementById(this.href.substr(this.href.indexOf("#") + 1));
							if (c)
							{
								//reset all tabs before change
								for (var i = 0; i < this.tabs.length; i++)
								{
									document.getElementById(this.tabs[i].href.substr(this.tabs[i].href.indexOf("#") + 1)).style.display = "none";
									this.tabs[i].parentNode.className = this.tabs[i].parentNode.className.replace("active", "");
								}
								this.parentNode.className += " active";
								c.style.display = "block";
								return false;
							}
						}
					}
				}
			}
		}
	}
}

if (window.addEventListener) window.addEventListener("load", initTabs, false);
else if (window.attachEvent) window.attachEvent("onload", initTabs);