var imageFiles_iv_1 = new Array();
imageFiles_iv_1['0'] = new Array ('_images/iv_TRAVALONG.gif', '_images/iv_TRAVALONGMouseover.gif');

function image_on_iv_1 (position) {
   var doc = eval("document.imageiv_1" + position);
   doc.src = imageFiles_iv_1[position][1];
}

function image_off_iv_1 (position) {
   var doc = eval("document.imageiv_1" + position);
   doc.src = imageFiles_iv_1[position][0];
}