<!--//// Both Netscape and IE handle layers differently, and have different // syntax for handling their behavior when it comes to handling layer // attributes. // So whereas IE uses 'show' and 'hide,' Netscape uses 'visible' and // 'hidden'. So we check and assign the appropriate values beforehand. // Script from http://developer.irt.org/script/1420.htmfunction showpic(object) {    if (document.getElementById && document.getElementById(object) != null)         node = document.getElementById(object).style.visibility='visible';    else if (document.layers && document.layers[object] != null)        document.layers[object].visibility = 'visible';    else if (document.all)        document.all[object].style.visibility = 'visible';}function hidepic(object) {    if (document.getElementById && document.getElementById(object) != null)         node = document.getElementById(object).style.visibility='hidden';    else if (document.layers && document.layers[object] != null)        document.layers[object].visibility = 'hidden';    else if (document.all)         document.all[object].style.visibility = 'hidden';}function switchonlink(mylink) {document.getElementById(mylink).className = "imageset_selected";}function switchofflink(mylink) {document.getElementById(mylink).className = "imageset";}//-->