var imageFiles_5z300_1 = new Array();
imageFiles_5z300_1['0'] = new Array ('_images/5z300_Prescription_Frames.gif', '_images/5z300_Prescription_FramesMouseover.gif');

function image_on_5z300_1 (position) {
   var doc = eval("document.image5z300_1" + position);
   doc.src = imageFiles_5z300_1[position][1];
}

function image_off_5z300_1 (position) {
   var doc = eval("document.image5z300_1" + position);
   doc.src = imageFiles_5z300_1[position][0];
}