/* a162.dl - Wed Jan 11 17:25:51 EST 2006 */
function findFrame() {
        // need to find a sibling up the tree
        //var p = window.parent; -- small variation for our tag we need to start w/ current window.
	var p = window;
        var ref;

        //debugger
        //alert('HOP Location:' + p.parent.location.href);
        while (p != top) {
                try {
                  if (p.location.host == window.location.host) {
                        ref = p.document.referrer;
                  }
                      //return p.document.referrer;
                } catch (e) { // We expect this to happen if the domains are different.
                }

                p = p.parent;
        }

        return ref;
}

  var DL_noiframe = (self == top);

  var f = findFrame();
  var host;

  if (f) {
	host = f;
  } else {
  	host = document.referrer != '' ? document.referrer : document.location.href;
  }

  var shortDomain =  document.domain;

  while (shortDomain.indexOf('.') != -1 && !DL_noiframe) {
	  // Don't bother with gatefile if we're already in the right domain
	  try {
	    if (top.document.domain == document.domain) DL_noiframe = true;
	  } catch (e) {
                        shortDomain =  document.domain.substr(document.domain.indexOf('.')+1);
                        if (shortDomain.indexOf('.') != -1) {
                                document.domain = shortDomain;
       	                }
  	 }

  } /* while */

  var DL_params = '&type=d_layer&survey_num=0&site=1604&code=0&survey_server=survey.questionmarket.com&dl_logo=&dl_invite=&dl_autoskip=&img=http://amch.questionmarket.com/static/opinion_li-250x250-1l-eng-nul.gif&delay=1000&go_delay=20000&hide_selects=1&hide_objects=0&hide_iframes=0&use_brand=0&content_width=0&side=right&space=far&spacecoord=50&endpos=coord&end=far&endcoord=45&speed=25&newwin=0';
  if (!DL_noiframe) {DL_params = DL_params + '&gf=/dynamiclogic/GateFile.html';

    var strIframeLocation = "/dynamiclogic/GateFile.html";
    // Is /dynamiclogic/GateFile.html a directory or a complete filename?
    if (strIframeLocation.substr(-1) == '/' ||
        strIframeLocation.indexOf(".") == -1)
      strIframeLocation += "/GateFile.html";
    strIframeLocation += "?sub=amch";
    
	function ebGetHostName(a) {
		var i;
		var host = '';
		if ((a.length >= 7) && (a.substr(0,7) == "http://")) {
			host = a.substr(7);
		} else {
			if ((a.length >= 8) && (a.substr(0,8) == "https://")) {
				host = a.substr(8);
			} else {
				host=a;
			}
		}
		i=host.indexOf("/");
		if (i>0) {
			host = host.substr(0,i);
		}
		return(host);
	}

	
	if (strIframeLocation.substr(0,4) != "http") {

		var siteHost = ebGetHostName(host);

		 if (strIframeLocation.charAt(0) != "/")
			strIframeLocation = '/' + strIframeLocation;

		strIframeLocation = "http://" + siteHost + strIframeLocation;

	  // for testing purposes: send another request if we're in two or more nested iframes
	  if (parent != top) {
	      var DL_element = document.createElement('script');
	      DL_element.type="text/javascript";
	      DL_element.src="http://amch.questionmarket.com/adscgen/log_error.php?errcode=1&details="+
	        (escape("d0/1604/0 " + siteHost ));
	      document.getElementsByTagName('head').item(0).appendChild(DL_element);
	  }
	}

        // Make sure it's not on Yahoo.  They never use the Gatefile, and do not want
        // erroneous requests to it in their logs, as can happen if the campaign is
        // configured incorrectly.
        // Temporary hack: exclude 3dgamers.com and cnet as well.
        var strlow = strIframeLocation.toLowerCase();
        if (strlow.indexOf('yahoo.com') == -1 &&
            strlow.indexOf('3dgamers.com') == -1 &&
            strlow.indexOf('cnet.com') == -1) {
          var DL_element = document.createElement('iframe');
          DL_element.frameborder=0;
          DL_element.width=0;
          DL_element.height=0;
          DL_element.src=strIframeLocation+DL_params;
          DL_element.setAttribute('style', 'display:none; visibility:hidden; border:none');
          document.body.insertBefore(DL_element, document.body.firstChild);
        }  // Temporary hack: never recruit on 3dgamers.com.  (This will have
  // to be made more sophisticated when they want to make exceptions.)
  } else {
    if (document.URL.toLowerCase().indexOf('3dgamers.com') == -1) {
      var DL_element = top.document.createElement('script');
      DL_element.type="text/javascript";
      DL_element.src="http://amch.questionmarket.com/adscgen/dynamiclink.js.php?sub=amch"+DL_params+"&"+
                      (window == top? "noiframe=true" : "")+"&onload=1";
      top.document.getElementsByTagName('head').item(0).appendChild(DL_element);
    }
  }