document.write("<a href='http://www.affiliateeco.com/trackingcode.php?cid=&aid=76&linkid=B12&epi1=' onclick='return getCookie();'><img src='http://www.moreeco.com/images/landing/AffiliateEco/BigGreenSmile/bgsecover.jpg'  border='0' width='488' height='60' ></a>");<!-- Jascript cookie checkking -->
function getCookie() {
    var name  = "myCookie";
	var start = document.cookie.indexOf( name + "=" );
	var len   = start + name.length + 1; 
	if ( (start < 0) && ( name != document.cookie.substring( 0, name.length ) ) )
	{
		setCookie();
    	return true;
	}
	if ( start == -1 ) {
        setCookie();
    	return true;
    }
	var end = document.cookie.indexOf( ";", len );
	if ( end == -1 ) end = document.cookie.length;
    var cookieTime = document.cookie.substring( len, end );
    var varTime   = new Date();
    var currTime  = varTime.getTime();
    if(cookieTime > currTime) {
         return false;
    }
    else {
        setCookie();
        return true;
    }
 }
<!-- set cookie time -->
function setCookie() {
  var expdate 	  = new Date ();
  var newTime = expdate.getTime()+ (20000*10);
  document.cookie = "myCookie = " + newTime + " ; expires = " + expdate  ;
}


<br />
<b>Warning</b>:  Unknown: Your script possibly relies on a session side-effect which existed until PHP 4.2.3. Please be advised that the session extension does not consider global variables as a source of data, unless register_globals is enabled. You can disable this functionality and this warning by setting session.bug_compat_42 or session.bug_compat_warn to off, respectively in <b>Unknown</b> on line <b>0</b><br />