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(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++)
							{
								document.getElementById(this.tabs[i].href.substr(this.tabs[i].href.indexOf("#") + 1)).style.display = "none";
								this.tabs[i].className = this.tabs[i].className.replace("active", "");
							}
							this.className += " active";
							c.style.display = "block";
							return false;
						}
					}
				}
			}
		}
	}
}
if (window.addEventListener) window.addEventListener("load", initTabs, false);
else if (window.attachEvent) window.attachEvent("onload", initTabs);

//For Chemtech History Page
var current1 = "1";
function ps (id){
	if(!document.getElementById) return false;
	var div = document.getElementById("qh"+id);
	var curDiv = document.getElementById("qh"+current1);
	var div1 = document.getElementById("qs"+id);
	var curDiv1 = document.getElementById("qs"+current1);
	var tab = document.getElementById("a"+id);
	var Curtab = document.getElementById("a"+current1);
	curDiv.style.display = "none";
	
	div.style.display = "block";
	curDiv1.style.display = "block";
	Curtab.style.display = "none";
	tab.style.display = "block";
	div1.style.display = "none";
	current1 = id;
	
}
function close1(id1){
	document.getElementById('a'+id1).style.display = 'none';
	document.getElementById('qs'+id1).style.display = 'block';
	document.getElementById('qh'+id1).style.display = 'none';
}