var imageFiles_1m_15 = new Array();
imageFiles_1m_15['0'] = new Array ('_images/1m__.gif', '_images/1m__Mouseover.gif');

function image_on_1m_15 (position) {
   var doc = eval("document.image1m_15" + position);
   doc.src = imageFiles_1m_15[position][1];
}

function image_off_1m_15 (position) {
   var doc = eval("document.image1m_15" + position);
   doc.src = imageFiles_1m_15[position][0];
}