br4x = (((navigator.appName == "Microsoft Internet Explorer") || (navigator.appName == "Netscape")) && (parseInt(navigator.appVersion) >= 4 ));
if (br4x)
{
	act = new MakeImageArray(7);
	pas = new MakeImageArray(7);
	for (i=1; i<7; i++)
	{
		act[i].src="image/fp_menu0"+i+"a.gif";
		pas[i].src="image/fp_menu0"+i+".gif"
	}
}

function MakeImageArray(n){
	this.length = n;
	for (var i = 0; i<=n; i++) { this[i] = new Image() }
	return this; }

function Passive(num){
	if ( br4x ){
		document.images['fp_menu0'+num].src = pas[num].src;
	}
}

function Active(num){
	if ( br4x ){
		document.images['fp_menu0'+num].src = act[num].src;
	}
}