var imageFiles_y5_17 = new Array();
imageFiles_y5_17['0'] = new Array ('_images/y5_HOME.gif', '_images/y5_HOMEMouseover.gif');
imageFiles_y5_17['1'] = new Array ('_images/y5_FOOD.gif', '_images/y5_FOODMouseover.gif');
imageFiles_y5_17['2'] = new Array ('_images/y5_DRINK.gif', '_images/y5_DRINKMouseover.gif');
imageFiles_y5_17['3'] = new Array ('_images/y5_EVENTS.gif', '_images/y5_EVENTSMouseover.gif');

function image_on_y5_17 (position) {
   var doc = eval("document.imagey5_17" + position);
   doc.src = imageFiles_y5_17[position][1];
}

function image_off_y5_17 (position) {
   var doc = eval("document.imagey5_17" + position);
   doc.src = imageFiles_y5_17[position][0];
}