function colorRows() {
       var myli = document.getElementsByTagName('li');
       for (var i=0;i<myli.length;i++) {
               if (i%2) {
                       myli[i].className = 'odd';
               }
       }
}

var current_x = 0;
var target_x = 0;

function Init() {
	setInterval(Update, 1);
}

function Interpolate(current, target) {
	var delta = target - current;
	if (Math.abs(delta) < 1)
			return target;
	return current + delta * 0.25;
}

function Intro(n) {
	if (n == 5)
		location.href = '/solutions';
	else
		target_x = -750 * (n - 1);
}

function Update() {
	current_x = Interpolate(current_x, target_x);
	document.getElementById('intro').style.left = current_x + 'px';
}