var imageFiles_20ir0_1 = new Array();
imageFiles_20ir0_1['0'] = new Array ('_images/20ir0_Clock_Square.gif', '_images/20ir0_Clock_SquareMouseover.gif');

function image_on_20ir0_1 (position) {
   var doc = eval("document.image20ir0_1" + position);
   doc.src = imageFiles_20ir0_1[position][1];
}

function image_off_20ir0_1 (position) {
   var doc = eval("document.image20ir0_1" + position);
   doc.src = imageFiles_20ir0_1[position][0];
}