var imageFiles_3m_13 = new Array();
imageFiles_3m_13['0'] = new Array ('_images/3m_ENVIRONMENTAL_CONSULTING.gif', '_images/3m_ENVIRONMENTAL_CONSULTINGMouseover.gif');

function image_on_3m_13 (position) {
   var doc = eval("document.image3m_13" + position);
   doc.src = imageFiles_3m_13[position][1];
}

function image_off_3m_13 (position) {
   var doc = eval("document.image3m_13" + position);
   doc.src = imageFiles_3m_13[position][0];
}