function initTabs()
{
    var sets = document.getElementsByClassName("tabset");
    //var tabset = $('tabs');
    //    alert(tabset);
    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].parentNode.className.indexOf("active") != -1) c.parentNode.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++)
							{
							    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;
						}
					}
				}
			}
		}
	}
}

document.observe('dom:loaded', initTabs);