var imageFiles_1h_21 = new Array();
imageFiles_1h_21['0'] = new Array ('_images/1h_Downloads.gif', '_images/1h_DownloadsMouseover.gif');
imageFiles_1h_21['1'] = new Array ('_images/1h_Links.gif', '_images/1h_LinksMouseover.gif');
imageFiles_1h_21['2'] = new Array ('_images/1h_52_Weeks_Subscription.gif', '_images/1h_52_Weeks_SubscriptionMouseover.gif');

function image_on_1h_21 (position) {
   var doc = eval("document.image1h_21" + position);
   doc.src = imageFiles_1h_21[position][1];
}

function image_off_1h_21 (position) {
   var doc = eval("document.image1h_21" + position);
   doc.src = imageFiles_1h_21[position][0];
}