/* DPAG direct popup */
/* opens popup  after 1 min on site with 20% prob. */
function sk_doSkopos() {
	var n = 'dpagskopos';
	var v = sk_getCookie(n);
	if (v == null) {
		sk_setCookie(n, new Date().getTime());
		} 
	else {
		var now = new Date().getTime();
		// 1 min past?
		if (now - parseInt(v) > 60 * 1000) {
			// set cookie to not insert script in next 10 days
			sk_setCookie(n, now + 10*24*60*60*1000);
			// every 10th only
			if (parseInt(7 * Math.random()) == 7) {
                window.open('http://www.euro-panel.net/uc/studien/ff57/','skopossurvey','scrollbars,resizable,left=0,top=0,height=500,width=720');
				}
			}
		} 
	}
//run directly as it may write a new script element
sk_doSkopos()

	
function sk_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 sk_getCookie(name) {
  var dc = document.cookie;
  var prefix = name + "=";
  var begin = dc.indexOf("; " + prefix);
  if (begin == -1) {
    begin = dc.indexOf(prefix);
    if (begin != 0) return null;
  } else
    begin += 2;
  var end = document.cookie.indexOf(";", begin);
  if (end == -1)
    end = dc.length;
  return unescape(dc.substring(begin + prefix.length, end));
}