var roll_over1 = new Image();
roll_over1.src = "images/about_active.gif";
var roll_over2 = new Image();
roll_over2.src = "images/jobs_active.gif";
var roll_over2 = new Image();
roll_over2.src = "images/executives_active.gif";
var roll_over2 = new Image();
roll_over2.src = "images/about_over.gif";
var roll_over2 = new Image();
roll_over2.src = "images/jobs_over.gif";
var roll_over2 = new Image();
roll_over2.src = "images/executives_over.gif";

function doSwap(location, image) 
{
	document[location].src=image;
}