function showElement(strElementId) {
	setElementVisibility(strElementId, true);
}

function hideElement(strElementId) {
	setElementVisibility(strElementId, false);
}

function setElementVisibility(strElementId, blnVisibility) {
	objElement = document.getElementById(strElementId);
	if(blnVisibility && objElement !== null) {
		objElement.style.visibility = 'visible';
		objElement.style.display='inline';
	} else if (objElement !== null) {
		objElement.style.visibility = 'hidden';
		objElement.style.display='none';
	}
}

function email() {
	email = 'info' + '@' + 'hirschfeld-lux' + '.' + 'com';
	href = 'mail' + 'to:' + email;
	window.location.href = href;
}