var layerRef="null"
var layerStyleRef="null"
var styleSwitch="null"
var pxSwitch="null";
var Browser="null"
var isNet4=false
var isIE4=false

function browserinit() {

if ( navigator.appVersion.substring(0, 1) >= 4 )

{
     if ( navigator.appName == "Netscape" )
     {
	isNet4 = true;
	layerStyleRef="layer.";
	layerRef="document.layers";
	styleSwitch="";
	pxSwitch="";
	Browser=0;

     }
     
     if ( navigator.appName == "Microsoft Internet Explorer" )
     {
	isIE4 = true;
	layerStyleRef="layer.style.";
	layerRef="document.all";
	styleSwitch=".style";
	pxSwitch="px";
	Browser=1;
	
     }
}

}