function HideContent(d, e) {
if(d.length < 1) { return; }
document.getElementById(d).style.display = "none";
if(e.length < 1) { return; }
document.getElementById(e).style.display = "none";
}
function ShowContent(d, e) {
if(d.length < 1) { return; }
document.getElementById(d).style.display = "block";
if(e.length < 1) { return; }
document.getElementById(e).style.display = "block";
}

function step1done()
{
	HideContent("step1", "cont");
	ShowContent("step2", "cont2");
}

function step2done()
{
	HideContent("step2", "cont2");
	ShowContent("step3", "cont3");
	var theid = "contbtn";
	document.getElementById(theid).disabled = false;
}

function step3done()
{
	HideContent("step1", "cont");
	HideContent("step2", "cont2");
	HideContent("step3", "cont3");
	ShowContent("step4", "cont4");
}