function firstVisit() {
    var isFirstVisit = false;
    if (!readCookie('firstVisit')) {
        createCookie('firstVisit', 'true', 0);
        isFirstVisit = true;
    }
    return isFirstVisit;
}


function createCookie(name,value,days) {
	var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}

function eraseCookie(name) {
	createCookie(name,"",-1);
}

/*
function test1() {
    if (firstVisit()) {
     //alert('Hello world!');
	 doPopup();
    }
}
window.onload=test1();*/