// JavaScript Document

//<!--

function changeImage(name, url) {
	if (document.images[name]) {
		document.images[name].src = "http://library.med.utah.edu/kw/hyperbrain/images/navigation/"+url;
		}
	}
	
function preloadImage(url) {
	var i = new Image();
	i.src = "http://library.med.utah.edu/kw/hyperbrain/images/navigation/"+url;
}

function getDate(t){
    var timeStr
    var month = new Array('January', 'February', 'March', 'April', 
'May', 'June', 'July', 'August', 'September', 'October', 'November', 
'December');
    if(t){timeStr = new Date(t);}else{timeStr = new Date();}

    var m = timeStr.getMonth();
    var d = timeStr.getDate();
    var y = timeStr.getFullYear();
    var todayIs = month[m]+' '+d+', '+y;
    return todayIs;
}

function lastMod(mod){
    var timeStamp = Date.parse(mod);
    return "Revised "+getDate(timeStamp);
}

//-->