function showBio(bioName) {
	    hideAll();
		var elm = document.getElementById(bioName);
	    elm.style.display = "block";
	    }

	function hideAll(bioName) {
		for (var i = 0; i < 7; i++) {
		var myBioName = 'bio' + (i + 1); 
		if (myBioName != bioName) {
				var elm = document.getElementById(myBioName);
			 elm.style.display = "none";
		}
		}
	}
	function showAusBio(bioName) {
	    hideAusAll();
		var elm = document.getElementById(bioName);
	    elm.style.display = "block";
	    }

	function hideAusAll(bioName) {
		for (var i = 0; i < 6; i++) {
		var myBioName = 'bio' + (i + 1); 
		if (myBioName != bioName) {
				var elm = document.getElementById(myBioName);
			 elm.style.display = "none";
		}
		}
	}

	
	function changeRegion(region) {
		clearAll(region);
		var elm = document.getElementById(region);
		elm.style.display = "block";
	}

	function clearAll(region) {
		var elms = getElementsByClassName('rep');
		for (var i = 0; i < elms.length; i++) {
			var elm = elms[i];
			if (elm.id != region) {
				elm.style.display = "none";
			}	
		}
	}

	function getElementsByClassName(className, tag, elm) {
		if (document.getElementsByClassName) {
			getElementsByClassName = function (className, tag, elm) {
				elm = elm || document;
				var elements = elm.getElementsByClassName(className),
					nodeName = (tag)? new RegExp("\\b" + tag + "\\b", "i") : null,
					returnElements = [],
					current;
				for(var i=0, il=elements.length; i<il; i+=1){
					current = elements[i];
					if(!nodeName || nodeName.test(current.nodeName)) {
						returnElements.push(current);
					}
				}
				return returnElements;
			};
		}
		else if (document.evaluate) {
			getElementsByClassName = function (className, tag, elm) {
				tag = tag || "*";
				elm = elm || document;
				var classes = className.split(" "),
					classesToCheck = "",
					xhtmlNamespace = "http://www.w3.org/1999/xhtml",
					namespaceResolver = (document.documentElement.namespaceURI === xhtmlNamespace)? xhtmlNamespace : null,
					returnElements = [],
					elements,
					node;
				for(var j=0, jl=classes.length; j<jl; j+=1){
					classesToCheck += "[contains(concat(' ', @class, ' '), ' " + classes[j] + " ')]";
				}
				try	{
					elements = document.evaluate(".//" + tag + classesToCheck, elm, namespaceResolver, 0, null);
				}
				catch (e) {
					elements = document.evaluate(".//" + tag + classesToCheck, elm, null, 0, null);
				}
				while ((node = elements.iterateNext())) {
					returnElements.push(node);
				}
				return returnElements;
			};
		}
		else {
			getElementsByClassName = function (className, tag, elm) {
				tag = tag || "*";
				elm = elm || document;
				var classes = className.split(" "),
					classesToCheck = [],
					elements = (tag === "*" && elm.all)? elm.all : elm.getElementsByTagName(tag),
					current,
					returnElements = [],
					match;
				for(var k=0, kl=classes.length; k<kl; k+=1){
					classesToCheck.push(new RegExp("(^|\\s)" + classes[k] + "(\\s|$)"));
				}
				for(var l=0, ll=elements.length; l<ll; l+=1){
					current = elements[l];
					match = false;
					for(var m=0, ml=classesToCheck.length; m<ml; m+=1){
						match = classesToCheck[m].test(current.className);
						if (!match) {
							break;
						}
					}
					if (match) {
						returnElements.push(current);
					}
				}
				return returnElements;
			};
		}
		return getElementsByClassName(className, tag, elm);
	};