var imageFiles_m_10 = new Array();
imageFiles_m_10['0'] = new Array ('_images/m_Welcome.gif', '_images/m_WelcomeMouseover.gif');
imageFiles_m_10['1'] = new Array ('_images/m_About_Us.gif', '_images/m_About_UsMouseover.gif');
imageFiles_m_10['2'] = new Array ('_images/m_Contact_Us.gif', '_images/m_Contact_UsMouseover.gif');

function image_on_m_10 (position) {
   var doc = eval("document.imagem_10" + position);
   doc.src = imageFiles_m_10[position][1];
}

function image_off_m_10 (position) {
   var doc = eval("document.imagem_10" + position);
   doc.src = imageFiles_m_10[position][0];
}