var imageFiles_m_19 = new Array();
imageFiles_m_19['0'] = new Array ('_images/m_Classroom.gif', '_images/m_ClassroomMouseover.gif');

function image_on_m_19 (position) {
   var doc = eval("document.imagem_19" + position);
   doc.src = imageFiles_m_19[position][1];
}

function image_off_m_19 (position) {
   var doc = eval("document.imagem_19" + position);
   doc.src = imageFiles_m_19[position][0];
}