var imageFiles_1m_1 = new Array();
imageFiles_1m_1['0'] = new Array ('_images/1m_Noble_s_Towing.gif', '_images/1m_Noble_s_TowingMouseover.gif');
imageFiles_1m_1['1'] = new Array ('_images/1m_G___M_Towing.gif', '_images/1m_G___M_TowingMouseover.gif');
imageFiles_1m_1['2'] = new Array ('_images/1m_G___M_Transport.gif', '_images/1m_G___M_TransportMouseover.gif');
imageFiles_1m_1['3'] = new Array ('_images/1m_Home.gif', '_images/1m_HomeMouseover.gif');

function image_on_1m_1 (position) {
   var doc = eval("document.image1m_1" + position);
   doc.src = imageFiles_1m_1[position][1];
}

function image_off_1m_1 (position) {
   var doc = eval("document.image1m_1" + position);
   doc.src = imageFiles_1m_1[position][0];
}