var redirectURL = "nosupport.html";
/*************************************************************************************
								Browser test
**************************************************************************************/
//Browser test
var NOT_SUPPORTED = false;
var NN = false;
var NN4 = false;
var NN6 = false;
var IE = false;
var IE4 = false;
var IE4_0 = false;
var IE4_5 = false;
var IE5 = false;
var IE5_0 = false;
var IE5_5 = false;
var MAC = false;
var MAC_STYLE = false;
var browsername;
var startIndex, endIndex, navVer, subVer;

if(navigator.appName == "Netscape") {
	browsername	=	"Netscape"
	NN = true;
	navVer = parseInt(navigator.appVersion);
	if(navVer < 4) NOT_SUPPORTED = true;	//not support ver3 browsers
	else if( navVer == 4) NN4 = true;
	else NN6 = true;
}
else {	//distinguish IE4 and IE5
	IE = true;
	browsername	=	"IE"
	startIndex = navigator.appVersion.indexOf("MSIE ");
	if(startIndex >= 0) startIndex += 5;
	navVer = parseInt(navigator.appVersion.substring(startIndex));	//if startindex is NaN checks start of string
	startIndex += 2;
	endIndex = startIndex + 1;
	subVer = parseInt(navigator.appVersion.substring(startIndex, endIndex));
	if(navVer < 4) NOT_SUPPORTED = true;	//if navVer is NaN then defaults to IE5
	else if(navVer == 4) {
		IE4 = true;
		if(subVer <= 4) IE4_0 = true;
		else IE4_5 = true;
	}
	else {
		IE5 = true;
		if(subVer <= 4) IE5_0 = true;
		else IE5_5 = true;
	}
}
if(navigator.appVersion.indexOf('Mac')>=0) {
	/* --commented out due to rendering problems in css with IE4_5 mac
	MAC = true;
	if(NN4 && IE4) MAC_STYLE = true;	//treat IE5 and NN6 on Mac like IE4 on PC
	*/
	MAC = true;
	
	if (IE4_5){
		MAC_STYLE = true;
	}
	if (NN4){
		MAC_STYLE = true;
	}
	/*if(IE4_0) {	//support IE4.5 not IE4.0 because of clipping bug
		//NOT_SUPPORTED = true;	//not support IE4.01 on Mac because clipping bug
	}*/
}
//redirect unsupported browsers
if(NOT_SUPPORTED) {
	//location.replace(redirectURL);
}