var imageFiles_2suen_4 = new Array();
imageFiles_2suen_4['0'] = new Array ('_images/2suen_Rialto_Bridge.gif', '_images/2suen_Rialto_BridgeMouseover.gif');

function image_on_2suen_4 (position) {
   var doc = eval("document.image2suen_4" + position);
   doc.src = imageFiles_2suen_4[position][1];
}

function image_off_2suen_4 (position) {
   var doc = eval("document.image2suen_4" + position);
   doc.src = imageFiles_2suen_4[position][0];
}