var curPage = (document.location) ? document.location : window.location;
var deploySurvey = new Boolean(false);
var number = Math.floor(Math.random() * 5) + 1;
var csurvey = document.cookie;
var today = new Date();
var expiry = new Date("May 31, 2007");

function BWWdeploySurvey() {
	if (deploySurvey == true){
		if (BWWgetCookie("investors_survey") != "viewed"  && number == 5) { 
			BWWsetCookie("investors_survey", "viewed");
			var NewWindow = window.open("/investors/survey/index.shtml?referer=" + encodeURIComponent(curPage),"NewWindow","width=640,height=400,scrollbars,resizeable");
		}
	}
}

function BWWgetCookie(name) {
	var bikky2 = document.cookie;
 var index = bikky2.indexOf(name + "=");

 if (index == -1) return null;
 index = bikky2.indexOf("=", index) + 1;
 var endstr = bikky2.indexOf(";", index);
 if (endstr == -1) endstr = bikky2.length;
 return unescape(bikky2.substring(index, endstr));
}

function BWWsetCookie(name, value) {
	if (value != null && value != "")
  document.cookie=name + "=" + escape(value) + "; expires=" + expiry.toGMTString() + "; path=/";
 csurvey = document.cookie;
}