var imageFiles_1ms_30 = new Array();
imageFiles_1ms_30['0'] = new Array ('_images/1ms_Back_to_Category_Page.gif', '_images/1ms_Back_to_Category_PageMouseover.gif');

function image_on_1ms_30 (position) {
   var doc = eval("document.image1ms_30" + position);
   doc.src = imageFiles_1ms_30[position][1];
}

function image_off_1ms_30 (position) {
   var doc = eval("document.image1ms_30" + position);
   doc.src = imageFiles_1ms_30[position][0];
}