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("tab") != -1)
				{
					tabs.push(links[j]);
					links[j].tabs = tabs;
					var c = document.getElementById("tab"+links[j].id.substr(links[j].id.indexOf("nav") + 3));					
					//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("tab"+this.id.substr(this.id.indexOf("nav") + 3));
						if (c)
						{
							//reset all tabs before change
							for (var i = 1; i < this.tabs.length; i++)
							{
								document.getElementById("tab"+this.tabs[i].id.substr(this.tabs[i].id.indexOf("nav") + 3)).style.display = "none";
								this.tabs[i].className = this.tabs[i].className.replace("active", "");
							}
																					
							this.className += " active";
							c.style.display = "block";
							
	for (var nf = 0; nf < document.getElementsByTagName("form").length; nf++) {
		for(var nfs = 0; nfs < document.forms[nf].getElementsByTagName("select").length; nfs++) {
		    for(var q = 0; q < document.forms[nf].getElementsByTagName("select")[nfs].length; q++) {
				showOptions(q);
			}
		}
	}
							
							return false;
						}
					}
				}
				if (links[j].className.indexOf("close") != -1)
				{
					links[j].onclick = function ()
					{
						var c = document.getElementById(this.id.substr(this.id.indexOf("_tab") + 1));
						if (c)
						{						
							document.getElementById("nav"+this.id.substr(this.id.indexOf("_tab") + 4)).className = document.getElementById("nav"+this.id.substr(this.id.indexOf("_tab") + 4)).className.replace("active", "");
							c.style.display = "none";
							
	for (var nf = 0; nf < document.getElementsByTagName("form").length; nf++) {
		for(var nfs = 0; nfs < document.forms[nf].getElementsByTagName("select").length; nfs++) {
		    for(var q = 0; q < document.forms[nf].getElementsByTagName("select")[nfs].length; q++) {
				showOptions(q);
			}
		}
	}
							
							return false;
						}
					}
				}								
												
			}			
		}
	}
}
if (window.addEventListener) window.addEventListener("load", initTabs, false);
else if (window.attachEvent) window.attachEvent("onload", initTabs);