var imageFiles_5av_1 = new Array();
imageFiles_5av_1['0'] = new Array ('_images/5av_Back_to_Trattoira_Pg__1.gif', '_images/5av_Back_to_Trattoira_Pg__1Mouseover.gif');

function image_on_5av_1 (position) {
   var doc = eval("document.image5av_1" + position);
   doc.src = imageFiles_5av_1[position][1];
}

function image_off_5av_1 (position) {
   var doc = eval("document.image5av_1" + position);
   doc.src = imageFiles_5av_1[position][0];
}