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("mpactive") != -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("mpactive", "");
								
							}
							//this.className += " mpactive";
							
							
							if (this.id == 'tab1'){
								
								if (navigator.appName == "Microsoft Internet Explorer"){
									document.getElementById('tab1').setAttribute("className", "tab mpactive");
								} else {
									document.getElementById('tab1').setAttribute("class", "tab mpactive");
								}
								document.getElementById('tab1').style.color='';
								document.getElementById('tab1').style.background = colour4;
								
								if (navigator.appName == "Microsoft Internet Explorer"){
									document.getElementById('tab2').setAttribute("className", "tab");
									document.getElementById('tab3').setAttribute("className", "tab");
								} else {
									document.getElementById('tab2').setAttribute("class", "tab");
									document.getElementById('tab3').setAttribute("class", "tab");
								}

								document.getElementById('tab2').style.color='#fff';
								document.getElementById('tab2').style.background = colour2;
									
								document.getElementById('tab3').style.color='#fff';
								document.getElementById('tab3').style.background = colour3;
								
							} else if (this.id == 'tab2'){
							
								if (navigator.appName == "Microsoft Internet Explorer"){
									document.getElementById('tab2').setAttribute("className", "tab  mpactive");
								} else {
									document.getElementById('tab2').setAttribute("class", "tab mpactive");
								}
								document.getElementById('tab2').style.color='';
								document.getElementById('tab2').style.background = colour4;
								

								if (navigator.appName == "Microsoft Internet Explorer"){
									document.getElementById('tab1').setAttribute("className", "tab");
									document.getElementById('tab3').setAttribute("className", "tab");
								} else {
									document.getElementById('tab1').setAttribute("class", "tab");
									document.getElementById('tab3').setAttribute("class", "tab");
								}
								
								document.getElementById('tab1').style.color='#fff';
								document.getElementById('tab1').style.background = colour1;
									
								document.getElementById('tab3').style.color='#fff';
								document.getElementById('tab3').style.background = colour3;
							
							} else if (this.id == 'tab3'){
							
								if (navigator.appName == "Microsoft Internet Explorer"){
									document.getElementById('tab3').setAttribute("className", "tab mpactive");
								} else {
									document.getElementById('tab3').setAttribute("class", "tab mpactive");
								}
								document.getElementById('tab3').style.color='';
								document.getElementById('tab3').style.background = colour4;
								
								if (navigator.appName == "Microsoft Internet Explorer"){
									document.getElementById('tab1').setAttribute("className", "tab");
									document.getElementById('tab2').setAttribute("className", "tab");
								} else {
									document.getElementById('tab1').setAttribute("class", "tab");
									document.getElementById('tab2').setAttribute("class", "tab");
								}
								
								document.getElementById('tab1').style.color='#fff';
								document.getElementById('tab1').style.background = colour1;
									
								document.getElementById('tab2').style.color='#fff';
								document.getElementById('tab2').style.background = colour2;
								
							}
							c.style.display = "block";

							return false;
						}
					}
				}
			}
		}
	}
}

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