var BrowserVersion = 5;

var UA = navigator.userAgent;
var flag = true;
var pf = "";
var nm = "";
var vs = "";

function Check() {
	flag = true;
	pf = Platform();
	nm = Name();
	vs = Version();

	if(nm == 'Netscape' && vs<BrowserVersion){
		flag = false;
	}

	return flag;
}

// GET PLATFORM
function Platform() {
	if(UA.match(/Win[dows]?/)) {
		return "Windows";
	}
	if(UA.match(/Mac/)) {
		return "Macintosh";
	}

}


// GET BROWSER NAME
function Name() {

	if(UA.match(/Opera[\/\s](\d+\.\d+)/) || window.opera) {
		return 'Opera';
	}
	if(UA.match(/MSIE (\d+\.\d+);/)) {
		return 'InternetExplorer';
	}
	if(UA.match(/Netscape\/(\d+\.\d+)/)) {
		return 'Netscape';
	} 
	if(UA.match(/Firefox\/(\d+\.\d+)$/)) {
		return "Firefox";
	}
	if(UA.match(/^Mozilla\/5\.0.+rv:(\d+\.\d+).+Gecko/)) {
		return 'Mozilla';
	}
	if(UA.match(/^Mozilla\/(4\.[^ ]+)/)) {
		return 'Netscape';
	}
}

// GET BROWSER VERSION
function Version() {

	if(UA.match(/Opera[\/\s](\d+\.\d+)/)) {
		return RegExp.$1;
	}
	if(UA.match(/MSIE (\d+\.\d+);/)) {
		return RegExp.$1;
	}
	if(UA.match(/Netscape\/(\d+\.\d+)/)) {
		return RegExp.$1;
	}
	if(UA.match(/Firefox\/(\d+\.\d+)$/)) {
		return RegExp.$1;
	}
	if(UA.match(/^Mozilla\/5\.0.+rv:(\d+\.\d+).+Gecko/)) {
		return RegExp.$1;
	}
	if(UA.match(/^Mozilla\/([^ ]+)/)) {
		return RegExp.$1;
	}

}