var imageFiles_g0_1 = new Array();
imageFiles_g0_1['0'] = new Array ('_images/g0_Newletters.gif', '_images/g0_NewlettersMouseover.gif');

function image_on_g0_1 (position) {
   var doc = eval("document.imageg0_1" + position);
   doc.src = imageFiles_g0_1[position][1];
}

function image_off_g0_1 (position) {
   var doc = eval("document.imageg0_1" + position);
   doc.src = imageFiles_g0_1[position][0];
}