function initTabs()
{
	var sets = document.getElementsByTagName("div");
	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("tab") != -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].className.indexOf("active") != -1) c.style.display = "block";
					else c.style.display = "none";

					links[j].onclick = function ()
					{
						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++)
							{
								var tab = document.getElementById(this.tabs[i].href.substr(this.tabs[i].href.indexOf("#") + 1));
								if (tab)
								{
									tab.style.display = "none";
								}
								this.tabs[i].className = this.tabs[i].className.replace("active", "");
							}
							this.className += " active";
							c.style.display = "block";
							return false;
						}
					}
				}
			}
		}
	}
}

bindReady(function(){
	initTabs();
});


// DOM ready
function bindReady(handler){
	var called = false
	function ready() {
		if (called) return
		called = true
		handler()
	}
	if (document.addEventListener) {
		document.addEventListener( "DOMContentLoaded", ready, false )
	} else if (document.attachEvent) {
		if (document.documentElement.doScroll && window == window.top) {
			function tryScroll(){
				if (called) return
				if (!document.body) return
				try {
					document.documentElement.doScroll("left")
					ready()
				} catch(e) {
					setTimeout(tryScroll, 0)
				}
			}
			tryScroll()
		}
		document.attachEvent("onreadystatechange", function(){
			if ( document.readyState === "complete" ) {
				ready()
			}
		})
	}
	if (window.addEventListener) window.addEventListener('load', ready, false)
	else if (window.attachEvent) window.attachEvent('onload', ready)
}