var imageFiles_bw_58 = new Array();
imageFiles_bw_58['0'] = new Array ('_images/bw_Contempory.gif', '_images/bw_ContemporyMouseover.gif');

function image_on_bw_58 (position) {
   var doc = eval("document.imagebw_58" + position);
   doc.src = imageFiles_bw_58[position][1];
}

function image_off_bw_58 (position) {
   var doc = eval("document.imagebw_58" + position);
   doc.src = imageFiles_bw_58[position][0];
}