var isNS = 0;
var isIE = 0;
var isOtherBrowser = 0;
var enter = true
	
if(navigator.appName.indexOf('Netscape') != -1)
{
	isNS = 1;
	nsIndex = navigator.appVersion
	var version = parseFloat(navigator.appVersion.substr(nsIndex,4))
	//document.write('Netscape ' + version)
	if(version < 5)
	{
		enter = false;
	}
}
else if(navigator.appName.indexOf('Microsoft Internet Explorer') != -1)
{
	isIE = 1;
	navigator.appVersion.indexOf("MSIE")
	msieIndex = navigator.appVersion.indexOf("MSIE") + 5;
	navigator.appVersion.substr(msieIndex,3)
	var version = parseFloat(navigator.appVersion.substr(msieIndex,3))
	//document.write('Internet Explorer ' + version)
	if(version < 5.5)
	{
		enter = false;
	}
}
	
else
{
	isOtherBrowser = 1;
}
if(!enter)
{
	window.location.href = "/browser.html";
}