document.write ('<a href="http://www.trafficzap.com/exchange/index.php?rid=6117" target="_blank"><img src="http://www.trafficzap.com/exchange/images/trafficzapexchange88x31.gif" width="88" height="31" alt="Join the TrafficZap Exchange!" border="0"></a>'); 
var showpopup="yes";
document.cookie = "Cookies=ON";

function rnd() {
	rnd.seed = (rnd.seed*9301+49297) % 233280;
	return rnd.seed/(233280.0);
}
		
function rand() {
	return Math.ceil(rnd()*10);  //  PART B 
}
		
function setCookie(name, value, expires, path, domain, secure) {
  var curCookie = name + "=" + escape(value) +
      ((expires) ? "; expires=" + expires.toGMTString() : "") +
      ((path) ? "; path=" + path : "") +
      ((domain) ? "; domain=" + domain : "") +
      ((secure) ? "; secure" : "");
  document.cookie = curCookie;
}

function getCookie(name) { // use: getCookie("name");
    var index = document.cookie.indexOf(name + "=");
    if (index == -1) return null;
    index = document.cookie.indexOf("=", index) + 1;
    var endstr = document.cookie.indexOf(";", index);
    if (endstr == -1) endstr = document.cookie.length;
    return unescape(document.cookie.substring(index, endstr));
}

if (window.parent.frames["tzapexchtop"]
	|| window.parent.parent.frames["tzapexchtop"]
	|| window.parent.parent.parent.frames["tzapexchtop"])
{
	// If we are here, we are inside the frame

	thedate = new Date();

    thedate.setHours(thedate.getHours()+1);
	setCookie('seenpopup', 'yes', thedate);
}
else
{
	// If we are here, we are NOT in the frame
	if (document.cookie != '') {
		// Cookie found. This user has cookies turned on
		thedate = new Date();
        thedate.setHours(thedate.getHours()+1);
        
		if ( getCookie('seenpopup') == 'yes' ) {
			// Read the cookie and seenpopup=yes
            showpopup="no"; // WE CAN TURN COOKIES OFF WITH "yes"
        } else {
			// Just setting the cookie.  Now seenpopup= yes.
			setCookie('seenpopup', 'yes', thedate);
			showpopup="yes";
		}
	} else {
		// document.write ('User has cookies turned off. Going to rand 1-10.<br><br>');
		// if user has cookies turned OFF, randomly show ad 1 out of 10 times (A out of B)
		rnd.today=new Date();
		rnd.seed=rnd.today.getTime();
		
		// Note: Below I disabled the randomization (by puttin 10) for now as it falls to IP checking.
		// put 1 for 1 in 10.  (Switched it to 10 for all the time).
		
		if (rand() <= 10 ) {  //  PART A  (LEAVE AT 10)
			// Rand pick is telling us to show a popup
			showpopup="yes";
		} else {
			// Rand pick is telling us NOT to show a popup
			showpopup="no";
		}
	}
	if (showpopup == "yes") {
		// show a popup but go check if IP in the dbase
		// sending to exit2.php?id=$id
		document.write ('<SCR' + 'IPT LAN' + 'GUAGE="javas' + 'cript" TYPE="text/javas' + 'cript" src="http://www.trafficzap.com/exchange/exit2.php?id=6117&refurl=http%3A%2F%2Fhimtimes.com%2Fscience%26tech01.html"></scr' + 'ipt>');
	} else {
		// No Popup To Be Shown
	}
}