var activeId = "";
function showDiv(divId) {
	if (activeId) document.getElementById(activeId).style.display = "none";
	activeId = divId;
	if (!divId) return;
	document.getElementById(divId).style.display = "block";
}
function changeProd(prod) {
	var indexOfParam = window.location.href.indexOf("?");
	if (indexOfParam == -1) {
		window.location += "?prod=" + prod;
	} else {
		window.location = window.location.href.slice(0, indexOfParam) + "?prod=" + prod;
	}
}
// check if it's OK to leave the site.
/*function leaveMPP() {
	return confirm("You are leaving the US Site for LANXESS Material Protection Products. Do you wish to continue?");
}
// we overwrite the global popupWin function local one.
function popupWin(link, attribs, rel) {
  var popupWin = null;

  // rel describes the relationship of the new window
  if (rel == "") rel = "_blank";

	// if it's an external site, then we check if it's OK to leaveMPP()
	if (!isInternal(link) && !leaveMPP()) return;
	popupWin = window.open(link, rel, attribs);
}
*/