var imageFiles_bw_19 = new Array();
imageFiles_bw_19['0'] = new Array ('_images/bw_Contempory.gif', '_images/bw_ContemporyMouseover.gif');

function image_on_bw_19 (position) {
   var doc = eval("document.imagebw_19" + position);
   doc.src = imageFiles_bw_19[position][1];
}

function image_off_bw_19 (position) {
   var doc = eval("document.imagebw_19" + position);
   doc.src = imageFiles_bw_19[position][0];
}