var imageFiles_17w_31 = new Array();
imageFiles_17w_31['0'] = new Array ('_images/17w___.gif', '_images/17w___Mouseover.gif');

function image_on_17w_31 (position) {
   var doc = eval("document.image17w_31" + position);
   doc.src = imageFiles_17w_31[position][1];
}

function image_off_17w_31 (position) {
   var doc = eval("document.image17w_31" + position);
   doc.src = imageFiles_17w_31[position][0];
}