function checkBrowser(redirectToURL){
	var browserInfo = navigator.userAgent.toLowerCase();
	var correctVersion = false;
	var version = 0.0;

	if(browserInfo.indexOf("netscape") != -1){
		version = parseFloat(browserInfo.substr(browserInfo.indexOf("netscape")+9, 3));
		if(version >= 7.0)	correctVersion = true;
	}
	else if(browserInfo.indexOf("msie") != -1){
		version = parseFloat(browserInfo.substr(browserInfo.indexOf("msie")+5, 3));
		if(version >= 5.0)	correctVersion = true;
	}
	else if(browserInfo.indexOf("opera") != -1){
		version = parseFloat(browserInfo.substr(browserInfo.indexOf("opera")+6, 3));
		if(version >= 7.1)	correctVersion = true;
	}
	else if(browserInfo.indexOf("firefox") != -1){
		version = parseFloat(browserInfo.substr(browserInfo.indexOf("firefox")+8, 3));
		if(version >= 0.1)	correctVersion = true;
	}
	else if(browserInfo.indexOf("safari") != -1){
		version = parseInt(browserInfo.substr(browserInfo.indexOf("safari")+7, 3));
		if(version >= 120)	correctVersion = true;
	}
	else if(browserInfo.indexOf("mozilla") != -1){
		version = parseInt(browserInfo.substr(browserInfo.indexOf("mozilla")+8, 3));
		if(version >= 5)	correctVersion = true;
	}
	
	//alert(browserInfo);
	//alert("version - " + version + ", worked - " + correctVersion);
	
	if(!correctVersion){
		window.location = redirectToURL;
	}
}