bName = navigator.appName;
function makeArray(n){
    this.length = n;
    for (i=1;i<=n;i++){
        this[i]=0;
    }
    return this;
}
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") {
	ns=1;
	layerRef="document.layers"
  	styleSwitch=""
}
function sety(layerName,y) {
 	eval(layerRef+'["'+layerName+'"]'+styleSwitch+'.top='+y);
}