// layer show/hide stuff

function showLayer(layerName) {
 	eval(layerRef+layerName+styleSwitch+'.visibility="visible"');
}

function hideLayer(layerName) {
	eval(layerRef+layerName+styleSwitch+'.visibility="hidden"');
}   

ns=0;
layerRef="document.all['"
styleSwitch="'].style"
if (navigator.appName == "Netscape" && parseInt(navigator.appVersion)<5) {
	ns=1;
	layerRef="document.layers['"
  	styleSwitch="']"
} else if (navigator.appName == "Netscape" && parseInt(navigator.appVersion)>=5) {
	ns=1;
	layerRef="document.getElementById('"
    styleSwitch="').style"
}