var imageFiles_of_21 = new Array();
imageFiles_of_21['0'] = new Array ('_images/of_Home.gif', '_images/of_HomeMouseover.gif');
imageFiles_of_21['1'] = new Array ('_images/of_History.gif', '_images/of_HistoryMouseover.gif');
imageFiles_of_21['2'] = new Array ('_images/of_Chinese.gif', '_images/of_ChineseMouseover.gif');
imageFiles_of_21['3'] = new Array ('_images/of_Japanese.gif', '_images/of_JapaneseMouseover.gif');
imageFiles_of_21['4'] = new Array ('_images/of_Egyptian.gif', '_images/of_EgyptianMouseover.gif');
imageFiles_of_21['5'] = new Array ('_images/of_Celtic.gif', '_images/of_CelticMouseover.gif');
imageFiles_of_21['6'] = new Array ('_images/of_Indian.gif', '_images/of_IndianMouseover.gif');
imageFiles_of_21['7'] = new Array ('_images/of_Tibetan.gif', '_images/of_TibetanMouseover.gif');

function image_on_of_21 (position) {
   var doc = eval("document.imageof_21" + position);
   doc.src = imageFiles_of_21[position][1];
}

function image_off_of_21 (position) {
   var doc = eval("document.imageof_21" + position);
   doc.src = imageFiles_of_21[position][0];
}