var numberoftimes = 1;

var cookiename = 'survey03102008';
var surveyurl = 'http://surveyor.imc2.com/ss/wsb.dll/s/5g4d';
var popupvars = 'width=720,height=320,resizable=yes,scrollbars=yes,toolbar=no,menubar=no';

function createCookie(name,value,days) {
	if (days)
	{
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*100000));
		var expires = '; expires=' + date.toGMTString();
	}
	else 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 openSurvey()
{
	var x = parseInt(readCookie(cookiename));
	x = (isNaN(x)) ? 1 : x + 1;

	if (x <= numberoftimes)
	{
		createCookie(cookiename, x, 7);
		window.open(surveyurl, 'Survey', popupvars);
	}
}