var imageFiles_4u_304 = new Array();
imageFiles_4u_304['0'] = new Array ('_images/4u_Rheem.gif', '_images/4u_RheemMouseover.gif');

function image_on_4u_304 (position) {
   var doc = eval("document.image4u_304" + position);
   doc.src = imageFiles_4u_304[position][1];
}

function image_off_4u_304 (position) {
   var doc = eval("document.image4u_304" + position);
   doc.src = imageFiles_4u_304[position][0];
}