var imageFiles_4rt_1 = new Array();
imageFiles_4rt_1['0'] = new Array ('_images/4rt_Back_to_Tre_Fratelli_s_Pg__1.gif', '_images/4rt_Back_to_Tre_Fratelli_s_Pg__1Mouseover.gif');

function image_on_4rt_1 (position) {
   var doc = eval("document.image4rt_1" + position);
   doc.src = imageFiles_4rt_1[position][1];
}

function image_off_4rt_1 (position) {
   var doc = eval("document.image4rt_1" + position);
   doc.src = imageFiles_4rt_1[position][0];
}