function ast_mouseover1(e){
  ast_mouseoverad = "a1";
}
function ast_mouseover2(e){
  ast_mouseoverad = "a2";
}
function ast_mouseover3(e){
  ast_mouseoverad = "a3";
}
function ast_mouseover4(e){
  ast_mouseoverad = "a4";
}
function ast_mouseout(e){
  ast_mouseoverad = null;
}
function ypn_mouseover1(e){
  ast_mouseoverad = "y1";
}
function ypn_mouseover2(e){
  ast_mouseoverad = "y2";
}
function ypn_mouseover3(e){
  ast_mouseoverad = "y3";
}
function ypn_mouseover4(e){
  ast_mouseoverad = "y4";
}
function ypn_mouseout(e){
  ast_mouseoverad = null;
}
function ast_docunload(e){
  if(ast_mouseoverad=="a1"){
    ast_aslog1(e);
  }
  else if(ast_mouseoverad=="a2"){
    ast_aslog2(e);
  }
  else if(ast_mouseoverad=="a3"){
    ast_aslog3(e);
  }
  else if(ast_mouseoverad=="a4"){
    ast_aslog4(e);
  }
  else if(ast_mouseoverad=="y1"){
    ypn_aslog1(e);
  }
  else if(ast_mouseoverad=="y2"){
    ypn_aslog2(e);
  }
  else if(ast_mouseoverad=="y3"){
    ypn_aslog3(e);
  }
  else if(ast_mouseoverad=="y4"){
    ypn_aslog4(e);
  }
}

function ast_aslog1(e){
  ast_aslog(e, ast_iframeObj1);
}
function ast_aslog2(e){
  ast_aslog(e, ast_iframeObj2);
}
function ast_aslog3(e){
  ast_aslog(e, ast_iframeObj3);
}
function ast_aslog4(e){
  ast_aslog(e, ast_iframeObj4);
}

function ast_aslog(e, o) {
    window.focus();
    trackit = 0;
    if(window.status && (window.status != lastStatus)){
      trackit = 1;
      lastStatus = window.status;
    }
    else if(ast_mozilla){
      trackit = 1;
      lastStatus = "(Unknown/Mozilla)";
    }
    if (trackit)
    {
        var bug = new Image();
        bug.src = 'http://dkb.org.uk/at.php' +
                    '?ref=' + escape(document.location.href) +
                    '&url=' + escape(lastStatus) +
                    '&w=' + google_ad_width +
                    '&h=' + google_ad_height +
                    '&f=' + ast_getVariable(o, 'format') +
                    '&cb=' + ast_getVariable(o, 'color_border') +
                    '&cbg=' + ast_getVariable(o, 'color_bg') +
                    '&cl=' + ast_getVariable(o, 'color_link') +
                    '&cu=' + ast_getVariable(o, 'color_url') +
                    '&ct=' + ast_getVariable(o, 'color_text') +
                    '&ch=' + ast_getVariable(o, 'channel') +
                    '&cch=null' +
                    '&r=' + escape(document.referrer) +
                    '&cv=c' +
                    '&dt=' + new Date().valueOf();
    }
}

function ypn_aslog1(e){
  ast_ypnlog(e, ypn_iframeObj1);
}
function ypn_aslog2(e){
  ast_ypnlog(e, ypn_iframeObj2);
}
function ypn_aslog3(e){
  ast_ypnlog(e, ypn_iframeObj3);
}
function ypn_aslog4(e){
  ast_ypnlog(e, ypn_iframeObj4);
}

function ast_ypnlog(e, o) {
    trackit = 0;
    if(window.status && (window.status != lastStatus)){
      trackit = 1;
      lastStatus = window.status;
    }
    else if(ast_mozilla){
      trackit = 1;
      lastStatus = "(Unknown/Mozilla)";
    }
    if (trackit)
    {
        var bug = new Image();
        bug.src = 'http://dkb.org.uk/at.php' +
                    '?ref=' + escape(document.location.href) +
                    '&url=' + escape(lastStatus) +
                    '&w=' + ast_getVariable(o, 'adwd') +
                    '&h=' + ast_getVariable(o, 'adht') +
                    '&f=' + ast_getVariable(o, 'format') +
                    '&cb=' + ast_getVariable(o, 'bc') +
                    '&cbg=' + ast_getVariable(o, 'cc') +
                    '&cl=' + ast_getVariable(o, 'lc') +
                    '&cu=' + ast_getVariable(o, 'uc') +
                    '&ct=' + ast_getVariable(o, 'tc') +
                    '&ch=' + ast_getVariable(o, 'type') +
                    '&cch=null' +
                    '&r=' + escape(document.referrer) +
                    '&cv=yc' +
                    '&dt=' + new Date().valueOf();
    }
}

function ast_logsearch(e) {
  var bug = new Image();
  if (ast_formObj.sitesearch)
  {
          var sd = (ast_formObj.sitesearch[0].checked)?"web":escape(ast_formObj.domains.value);
  } else {
          var sd = '';
  }
  bug.src = 'http://dkb.org.uk/at.php' +
              '?ref=' + escape(document.location.href) +
              '&q=' + escape(ast_formObj.q.value) +
              '&sd=' + sd +
              '&cch=null' +
              '&r=' + escape(document.referrer) +
              '&cv=s' +
              '&dt=' + new Date().valueOf();
  var now = new Date();
  var exitTime = now.getTime() + 250;
  while (true) {
      now = new Date();
      if (now.getTime() > exitTime)
          return;
  }
}

var lastStatus = '';
var ast_iframeObj1;
var ast_iframeObj2;
var ast_iframeObj3;
var ast_iframeObj4;
var ypn_iframeObj1;
var ypn_iframeObj2;
var ypn_iframeObj3;
var ypn_iframeObj4;
var ast_mouseoverad = null;
var ast_mozilla = false;
var elements;
elements = document.getElementsByTagName("iframe");
c = 0;
y = 0;
var agnt = navigator.userAgent.toLowerCase();
var ast_altclicks = (document.layers | agnt.indexOf("firefox")>-1 | agnt.indexOf("mozilla")>-1) && agnt.indexOf("msie")==-1;
if (ast_altclicks){
  if(document.layers){
    window.captureEvents(Events.ONUNLOAD);
  }
  window.onunload = ast_docunload;
  ast_mozilla = true;
}
for (var i = 0; i < elements.length; i++) {
    if(elements[i].src.indexOf('googlesyndication.com') > -1)
    {
        if (document.layers)
        {
            elements[i].captureEvents(Events.ONFOCUS);
            elements[i].captureEvents(Events.ONMOUSEOVER);
            elements[i].captureEvents(Events.ONMOUSEOUT);
        }
        switch(c){
          case 0:
            if (ast_altclicks)
            {
              elements[i].onmouseover = ast_mouseover1;
              elements[i].onmouseout = ast_mouseout;
            }
            else{
              elements[i].onfocus = ast_aslog1;
            }
            ast_iframeObj1 = elements[i];
            break;
          case 1:
            if (ast_altclicks)
            {
              elements[i].onmouseover = ast_mouseover2;
              elements[i].onmouseout = ast_mouseout;
            }
            else{
              elements[i].onfocus = ast_aslog2;
            }
            ast_iframeObj2 = elements[i];
            break;
          case 2:
            if (ast_altclicks)
            {
              elements[i].onmouseover = ast_mouseover3;
              elements[i].onmouseout = ast_mouseout;
            }
            else{
              elements[i].onfocus = ast_aslog3;
            }
            ast_iframeObj3 = elements[i];
            break;
          case 3:
            if (ast_altclicks)
            {
              elements[i].onmouseover = ast_mouseover4;
              elements[i].onmouseout = ast_mouseout;
            }
            else{
              elements[i].onfocus = ast_aslog4;
            }
            ast_iframeObj4 = elements[i];
            break;
        }
        c++;
    }
    else if(elements[i].src.indexOf('ypn-js.overture.com') > -1){
        switch(y){
          case 0:
            if (ast_altclicks)
            {
              elements[i].onmouseover = ypn_mouseover1;
              elements[i].onmouseout = ypn_mouseout;
            }
            else{
              elements[i].onfocus = ypn_aslog1;
            }
            ypn_iframeObj1 = elements[i];
            break;
          case 1:
            if (ast_altclicks)
            {
              elements[i].onmouseover = ypn_mouseover2;
              elements[i].onmouseout = ypn_mouseout;
            }
            else{
              elements[i].onfocus = ypn_aslog2;
            }
            ypn_iframeObj2 = elements[i];
            break;
          case 2:
            if (ast_altclicks)
            {
              elements[i].onmouseover = ypn_mouseover3;
              elements[i].onmouseout = ypn_mouseout;
            }
            else{
              elements[i].onfocus = ypn_aslog3;
            }
            ypn_iframeObj3 = elements[i];
            break;
          case 3:
            if (ast_altclicks)
            {
              elements[i].onmouseover = ypn_mouseover4;
              elements[i].onmouseout = ypn_mouseout;
            }
            else{
              elements[i].onfocus = ypn_aslog4;
            }
            ypn_iframeObj4 = elements[i];
            break;
        }
        y++;
    }
}

var ast_formObj;
elements = document.getElementsByTagName("form");
for (var i = 0; i < elements.length; i++) {
  if(elements[i].action.indexOf){
    if(elements[i].action.indexOf('www.google.com/custom') > -1)
    {
        if (document.layers)
        {
            elements[i].captureEvents(Events.ONSUBMIT);
        }
        elements[i].onsubmit = ast_logsearch;
        ast_formObj = elements[i];
    }
  }
}

function ast_getVariable(o, name) {
  var dc = o.src;
  var prefix = name + "=";
  var begin = dc.indexOf("&" + prefix);
  if (begin == -1) {
    begin = dc.indexOf("?" + prefix);
    if (begin == -1) return null;
  } else
    begin += 1;
  var end = o.src.indexOf("&", begin);
  if (end == -1)
    end = dc.length;
  return unescape(dc.substring(begin + prefix.length, end));
}

function ast_trackView1(){
  ast_trackView(ast_iframeObj1);
}
function ast_trackView2(){
  ast_trackView(ast_iframeObj2);
}
function ast_trackView3(){
  ast_trackView(ast_iframeObj3);
}
function ast_trackView4(){
  ast_trackView(ast_iframeObj4);
}
function ast_trackView(o){
    var asUrl = 'http://dkb.org.uk/at.php' +
            '?ref=' + escape(document.location.href) + '&cv=v' +
            '&w=' + google_ad_width + '&url=' +
            '&h=' + google_ad_height +
            '&f=' + ast_getVariable(o, 'format') +
            '&cb=' + ast_getVariable(o, 'color_border') +
            '&cbg=' + ast_getVariable(o, 'color_bg') +
            '&cl=' + ast_getVariable(o, 'color_link') +
            '&cu=' + ast_getVariable(o, 'color_url') +
            '&ct=' + ast_getVariable(o, 'color_text') +
            '&ch=' + ast_getVariable(o, 'channel') +
            '&cch=null' +
            '&r=' + escape(document.referrer) +
            '&dt=' + new Date().valueOf();
    var bug = new Image();
    bug.src = asUrl;
}

function ypn_trackView1(){
  ypn_trackView(ypn_iframeObj1);
}
function ypn_trackView2(){
  ypn_trackView(ypn_iframeObj2);
}
function ypn_trackView3(){
  ypn_trackView(ypn_iframeObj3);
}
function ypn_trackView4(){
  ypn_trackView(ypn_iframeObj4);
}function ypn_trackView(o){
    var asUrl = 'http://dkb.org.uk/at.php' +
            '?ref=' + escape(document.location.href) + '&cv=yv' +
            '&w=' + ast_getVariable(o, 'adwd') + '&url=' +
            '&h=' + ast_getVariable(o, 'adht') +
            '&f=' + ast_getVariable(o, 'format') +
            '&cb=' + ast_getVariable(o, 'bc') +
            '&cbg=' + ast_getVariable(o, 'cc') +
            '&cl=' + ast_getVariable(o, 'lc') +
            '&cu=' + ast_getVariable(o, 'uc') +
            '&ct=' + ast_getVariable(o, 'tc') +
            '&ch=' + ast_getVariable(o, 'type') +
            '&cch=null' +
            '&r=' + escape(document.referrer) +
            '&dt=' + new Date().valueOf();
    var bug = new Image();
    bug.src = asUrl;
}

for(i=1;i<5;i++){
  o = eval("ast_iframeObj" + i);
  if(o)
  {
    setTimeout("ast_trackView" + i + "()", (i-1) * 500);
  }
  yo = eval("ypn_iframeObj" + i);
  if(yo)
  {
    setTimeout("ypn_trackView" + i + "()", (i-1) * 500);
  }
}