function showMap(e) {
		document.getElementById('m_c00').style.display = "none"; 
		document.getElementById('m_c01').style.display = "none"; 
		document.getElementById('m_c02').style.display = "none"; 
		document.getElementById('m_c03').style.display = "none"; 
		document.getElementById('m_c04').style.display = "none"; 
		document.getElementById('m_c05').style.display = "none"; 
		document.getElementById('m_c06').style.display = "none"; 
		document.getElementById('m_c07').style.display = "none"; 
		document.getElementById('m_c08').style.display = "none"; 
		document.getElementById('m_c09').style.display = "none"; 
		document.getElementById('m_c10').style.display = "none"; 
		document.getElementById(e).style.display = "inline"; 
}