<!--

if (document.images)
		{

		button1_on = new Image();
		button1_on.src = "images/home_on.png";
		button2_on = new Image();
		button2_on.src = "images/steps_on.png";
		button3_on = new Image();
		button3_on.src = "images/getstarted_on.png";


		button1_off = new Image();
		button1_off.src = "images/home_off.png";
		button2_off = new Image();
		button2_off.src = "images/steps_off.png";
		button3_off = new Image();
		button3_off.src = "images/getstarted_off.png";

		}

function on(imgName)
{ if (document.images)
		{ document[imgName].src = eval(imgName + "_on.src"); }
		}

function off(imgName)
{ if (document.images)
		{ document[imgName].src = eval(imgName + "_off.src"); }
		}