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

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		about_over = newImage("images/learntab1-over.gif");	
		programs_over = newImage("images/learntab2-over.gif");
		submit_over = newImage("images/submit-over.gif");
		close_over = newImage("images/closex-over.gif");
		preloadFlag = true;
	}
}

function genOver(button,image) {
		button.src = image;
}
function genOut(button,image) {
		button.src = image;
}

function changeDiv(divAction,divName)
{
	if (divAction == 'show') {
		document.getElementById(divName+'-botline').style.display='none';
		document.getElementById(divName+'-dropdown').style.display='block';
		document.getElementById(divName+'tabOn').style.display='none';
		document.getElementById(divName+'tabOff').style.display='block';
		document.getElementById(divName+'Iframe').src=divName+'.html';
	}
	if (divAction == 'hide') {
		document.getElementById(divName+'-botline').style.display='block';
		document.getElementById(divName+'-dropdown').style.display='none';
		document.getElementById(divName+'tabOn').style.display='block';
		document.getElementById(divName+'tabOff').style.display='none';
	}
}

function privacyShow() {
		document.getElementById('privacy').style.display='block';
}

function privacyHide() {
		document.getElementById('privacy').style.display='none';
}

function showExpect() {
		document.getElementById('expect').style.display='block';
}

function hideExpect() {
		document.getElementById('expect').style.display='none';
}