var browserName=navigator.appName;
if (browserName=="Microsoft Internet Explorer"){
	//	document.write('<link href="explorer.css" rel="stylesheet" type="text/css">');
}
function startList() {
	navRoot='';
	nav2Root='';
	if(document.getElementById("nav")){
		if (document.all&&document.getElementById) {
			navRoot = document.getElementById("nav");
			nav2Root = document.getElementById("mytree-standard2");
			for (i=0; i<navRoot.childNodes.length; i++) {
				node = navRoot.childNodes[i];
				if (node.nodeName=="LI") {
					node.onmouseover=function() {
						this.className+=" over";
					}
					node.onmouseout=function() {
						this.className=this.className.replace(" over", "");
					}
				}
			}

			for (i=0; i<nav2Root.childNodes.length; i++) {
				node2 = nav2Root.childNodes[i];
				if (node2.nodeName=="LI") {
					node2.onmouseover=function() {
						this.className+=" over";
					}
					node2.onmouseout=function() {
						this.className=this.className.replace(" over", "");
					}
				}
			}
		}
	}

}
function showAnswer(divName){
	el = document.getElementById(divName);
	(el.style.display == "none") ? el.style.display='block':el.style.display='none';
}


function showColours(divName, position){

	el = document.getElementById(divName);
	(el.style.display == "none") ? el.style.display='block':el.style.display='none';
	el.style.top=position;
}
function fadeIn(){
	new Effect.Appear('fadeIn', {duration: 2.5});
}

function addLoadEvent(func) {
	var oldonload = window.onload;
	if (typeof window.onload != 'function') {
		window.onload = func;
	} else {
		window.onload = function() {
			if (oldonload) {
				oldonload();
			}
			func();
		}
	}
}
// Add a load event for multiple onloads
addLoadEvent(startList);
if(window.location =='http://www.tarn-pure.com/' || 
	window.location =='http://www.tarn-pure.com/pages/home' ||
	window.location =='http://tarn-pure.com/pages/home' ||
	window.location =='http://tarn-pure.com/'
	){
	addLoadEvent(fadeIn);
}