var showTrialOffer = true;
var isChrome = false;
var isSafari = false;

if(navigator.userAgent.indexOf('Chrome') > -1) {
	isChrome = true;
}

if(navigator.userAgent.indexOf('Safari') > -1) {
	isSafari = true;
}

window.onbeforeunload = offerTrial;

function offerTrial() {
	if(showTrialOffer && !isChrome && !isSafari) {
		document.location.href = '/shopping-cart-software-free-trial.php';
		return "\n\n***************\n\nWait! You've been selected for a 15 day FREE trial of BigCommerce. Click the Cancel button below to signup for your free trial now. No credit card required.\n\n***************\n\n";
	}
}