// JavaScript Document

function img(id, newClass) {
	identity = document.getElementById(id);
	identity.className = newClass;		
}

function rollover(img_src) {
	document.diginxt.src = img_src;
}

image1 = new Image();
image1.src = "images/analysis.jpg";

image2 = new Image();
image2.src = "images/design.jpg";

image3 = new Image();
image3.src = "images/build.jpg";

function imgOne() {
	img('column01','hover');
	img('column02','');
	img('column03','');
	rollover(image1.src);
}

function imgTwo() {
	img('column01','');
	img('column02','hover');
	img('column03','');
	rollover(image2.src);
}

function imgThree() {
	img('column01','');
	img('column02','');
	img('column03','hover');
	rollover(image3.src);
}

// Navigation text //

function nav(){
	
	var link01 = "Approach";
	
	}