function showLanguageSelect()
{
	if( document.getElementById('langMenuContainer') ){
		document.getElementById('langMenuContainer').style.display = 'block';
	}
}

function hideLanguageSelect()
{
	if( document.getElementById('langMenuContainer') ){
		document.getElementById('langMenuContainer').style.display = 'none';
	}
}

function displayContactFields()
{
	//hidden all fields
	if( document.getElementById('field_contactperson') || document.getElementById('field_company') ){
		document.getElementById('field_contactperson').style.display = "none";
		document.getElementById('field_company').style.display = "none";

		var sel = document.getElementById("title");
		myValue = sel.options[sel.selectedIndex].value;

		if( myValue == 'Firma' || myValue == 'Company' ){
			document.getElementById('field_contactperson').style.display = "block";
			document.getElementById('field_company').style.display = "block";
		}
		else
		{
			document.getElementById('field_contactperson').style.display = "none";
			document.getElementById('field_company').style.display = "none";
		}
	}
}
window.onload = displayContactFields;