/**********************************************************
Preload Page Images - XHTML compliant version
and
Image Toggle
Ray Dickman
v1.0 - June 27, 2004

Call:
preload('image_name','image_path');

***********************************************************/
function preload(imgObj,imgSrc)
{
eval(imgObj+' = new Image()')
eval(imgObj+'.src = "'+imgSrc+'"')
}

preload('sussex01_on','../../images/past_projects/sussex_01_th_on.jpg');
preload('sussex01_off','../../images/past_projects/sussex_01_th_off.jpg');

preload('sussex02_on','../../images/past_projects/sussex_02_th_on.jpg');
preload('sussex02_off','../../images/past_projects/sussex_02_th_off.jpg');

/*
preload('sussex03_on','../../images/past_projects/sussex_03_th_on.jpg');
preload('sussex03_off','../../images/past_projects/sussex_03_th_off.jpg');

preload('sussex04_on','../../images/past_projects/sussex_04_th_on.jpg');
preload('sussex04_off','../../images/past_projects/sussex_04_th_off.jpg');
*/

/******************************************
Corresponding image toggle function
for image rollovers.

Usage:
img_toggle('news', 'on');
img_toggle('news', 'off');
*******************************************/
function img_toggle(imgId, mode)
{
if (document.getElementById) {
document.getElementById(imgId).src = eval(imgId + "_" + mode + ".src");
} else if (document.all) {
document.all[imgId].src = eval(imgId + "_" + mode + ".src");
}
}