function getObj(name)
{
  if (document.getElementById) { return document.getElementById(name); }
  else if (document.all) { return document.all[name]; }
  else if (document.layers) { return document.layers[name]; }
}
function getBrowser(name)
{
  if (document.getElementById) { return "IE5"; }
  else if (document.all) { return "IE4"; }
  else if (document.layers) { return "NS"; }
}
function changePage(pageType) {
	var browserType = getBrowser("address");
	var visText = "hidden";
	var novisText = "visible";
	if (browserType == "IE5") {
		var visText = "none";
		var novisText = "block";
	}
	
	if (browserType == "IE5") {
		if (pageType == "yes_address") {
			objName = getObj("address");
			objName.style.display = novisText;
		} else {
			objName = getObj("address");
			objName.style.display = visText;
		}
	}
	else if (browserType == "IE4") {
		if (pageType == "yes_address") {
			objName = getObj("address");
			objName.style.visibility = novisText;
		} else {
			objName = getObj("address");
			objName.style.visibility = visText;
		}
	}
	else {
		if (pageType == "yes_address") {
			objName = getObj("address");
			objName.style.visibility = novisText;
		} else {
			objName = getObj("address");
			objName.style.visibility = visText;
		}
	}
	switchFormAction(pageType);
}