var imageFiles_27_4 = new Array();
imageFiles_27_4['0'] = new Array ('_images/27_Home.gif', '_images/27_HomeMouseover.gif');

function image_on_27_4 (position) {
   var doc = eval("document.image27_4" + position);
   doc.src = imageFiles_27_4[position][1];
}

function image_off_27_4 (position) {
   var doc = eval("document.image27_4" + position);
   doc.src = imageFiles_27_4[position][0];
}