// E-mail
function mailpage()
{  mail_str = "mailto:?subject=Website: " + document.title;
  mail_str += "&body= Please visit: " + location.href;
  location.href = mail_str;
}
// Print page
function printWindow(){
   bV = parseInt(navigator.appVersion)
   if (bV >= 4) window.print()
}
// Image Swap
var theImages = new Array() 
theImages[0] = 'http://www.donahue.umassp.edu/resources/pkg_50715_assets/images/home/100.jpg'
theImages[1] = 'http://www.donahue.umassp.edu/resources/pkg_50715_assets/images/home/200.jpg'
theImages[2] = 'http://www.donahue.umassp.edu/resources/pkg_50715_assets/images/home/300.jpg'

var j = 0
var p = theImages.length;

var preBuffer = new Array()
for (i = 0; i < p; i++){
   preBuffer[i] = new Image()
   preBuffer[i].src = theImages[i]
}

var whichImage = Math.round(Math.random()*(p-1));
function showImage(){
document.write('<img src="'+theImages[whichImage]+'">');
}