function addonload(func) {
	if (typeof window.addEventListener != 'undefined') {
		window.addEventListener('load', func, false);
	} else if (typeof window.attachEvent != "undefined") { // IE
		window.attachEvent('onload', func );
	} else {
		if (window.onload != null) {
			// maintain any other onload events
			var oldOnload = window.onload;
			window.onload = function (e) {
				oldOnload(e);
				func();
			};
		} else {
			window.onload = func;
		}
	}
}

function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (loaded == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			if (document[changeImages.arguments[i]]) {
				document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
			} else {
				changeImages.arguments[i].src = changeImages.arguments[i+1];
			}
		}
	}
}
function changeArrow() {
	if (document.images && (loaded == true)) {
		for (var i=0; i<changeArrow.arguments.length; i+=2) {
			if (document[changeArrow.arguments[i]]) {
				if (document[changeArrow.arguments[i]].src.indexOf('/images/right_arrow.gif') > 0) {
					document[changeArrow.arguments[i]].src = '/images/down_arrow.gif';
				} else {
					document[changeArrow.arguments[i]].src = '/images/right_arrow.gif';
				}
			} else {
				if (changeArrow.arguments[i].src.indexOf('/images/right_arrow.gif') > 0) {
					changeArrow.arguments[i].src = '/images/down_arrow.gif';
				} else {
					changeArrow.arguments[i].src = '/images/right_arrow.gif';
				}
			}
		}
	}
}
var loaded;
function preloadImages() {
	for (var i=0;i<preloadImages.arguments.length;i++) {
		newImage(preloadImages.arguments[i]);
	}
	loaded = true;
}

function popImage(img, alt) {
	url = '/imageviewer.php?pic='+img+'&alt='+alt;
	window.open(url, 'ImageZoom', 'width=435,height=495');
}

function externalLinks() {
	if (!document.getElementsByTagName) return;
	var anchors = document.getElementsByTagName("a");
	for (var i=0; i<anchors.length; i++) {
		var anchor = anchors[i];
		if (anchor.getAttribute("href") &&
		anchor.getAttribute("rel") == "blank")
		anchor.target = "_blank";
	}
}
addonload(externalLinks);

function toggleDiv(divName) {
	thisDiv = document.getElementById(divName);
	if (thisDiv) {
		if (thisDiv.offsetHeight > 0 || thisDiv.style.display == "block") {
			thisDiv.style.display = "none";
		}
		else {
			thisDiv.style.display = "block";
		}
	}
}

function toggleClass(divName) {
	thisDiv = document.getElementById(divName);
	if (thisDiv) {
		if (thisDiv.className == '') {
			thisDiv.className = "currentbio";
		}
		else {
			thisDiv.className = "";
		}
	}
}

function loadPDF(i){
	if(i.selectedIndex!=0){
		var pdf = window.open(i.options[i.selectedIndex].value, "newwin");
	}

}

function navROv(item){item.className="active"}
function navROt(item){item.className="inactive"}

function setNav(){
	var navLIs = document.getElementById("topnav").getElementsByTagName("li");
	for (var i=0; i < navLIs.length; i++) {
		if(navLIs[i].className.indexOf("inactive")!=-1){
			navLIs[i].onmouseover=function(){navROv(this)}
			navLIs[i].onmouseout=function(){navROt(this)}
		}
	};
	var pp = document.getElementById("printpage");
	if(pp){
		pp.onmouseover=function(){this.className="active"}
		pp.onmouseout=function(){this.className=""}
		pp.onclick=function(){window.print()}
	}
	var logo = document.getElementById("logo");
	if(logo){
		logo.style.cursor="pointer";
		logo.onclick=function(){
			goHome();
		}
	}
	var leftnav = document.getElementById("left-nav");
	if(leftnav){
		var leftNavLIs=leftnav.getElementsByTagName("li");
		for (var j=0; j < leftNavLIs.length; j++) {
			if(leftNavLIs[j].className.indexOf("current")==-1){
				leftNavLIs[j].onmouseover=function(){
				//	alert(leftNavLIs[i].parentNode.parentNode.nodeName.toLowerCase());
					this.className+=" on";
					}
				leftNavLIs[j].onmouseout=function(){this.className=this.className.replace(" on","")}
			}
		};
	}
}
addonload(setNav);
function goHome(){
	window.location.href="/index.html";
}