<!--
// preload images:
if (document.images) {
email_1 = new Image; email_1.src = "/graphics/pranks/email_1.gif";
email_2 = new Image; email_2.src = "/graphics/pranks/email_2.gif";

computer_1 = new Image; computer_1.src = "/graphics/pranks/computer_1.gif";
computer_2 = new Image; computer_2.src = "/graphics/pranks/computer_2.gif";

practical_1 = new Image; practical_1.src = "/graphics/pranks/practical_1.gif";
practical_2 = new Image; practical_2.src = "/graphics/pranks/practical_2.gif";
}

function hiLite(imgName,imgObjName) {
if (document.images) {
  document.images[imgName].src = eval(imgObjName + ".src");
}}


//-->