超强GGAD代码源码精华教程

google_ad_url = '';
google_date = new Date();
google_random = google_date.getTime();
google_org_error_handler = window.onerror;

function quoted(str) {
return (str != null) ? '"' + str + '"' : '""';
}

function google_encodeURIComponent(str) {
if (typeof(encodeURIComponent) == 'function') {
return encodeURIComponent(str);
} else {
return escape(str);
}
}

function google_write_tracker(tracker_event) {
var qloc = window.google_ad_url.indexOf('?');
var img_src = '/jishu513556http://pagead2.googlesyndication.com/pagead/imp.gif?event=';
img_src += tracker_event;
if (qloc != -1 && qloc+1 < window.google_ad_url.length) {
img_src += '&' + window.google_ad_url.substring(qloc+1);
}
var img_tag = '<i' + 'mg height="1" width="1" border="0" ' +
'src=' + quoted(img_src) +
' />';
document.write(img_tag);
}

function google_append_url(param, value) {
if (value) {
window.google_ad_url += '&' + param + '=' + value;
}
}

function google_append_url_esc(param, value) {
if (value) {
google_append_url(param, google_encodeURIComponent(value));
}
}

function google_append_color(param, value) {
if (value && typeof(value) == 'object') {
value = value[window.google_random % value.length];
}
google_append_url('color_' + param, value);
}

function google_get_user_data() {
var javaEnabled = navigator.javaEnabled();
var tz = -google_date.getTimezoneOffset();

if (window.screen) {
google_append_url("u_h", window.screen.height);
google_append_url("u_w", window.screen.width);
google_append_url("u_ah", window.screen.availHeight);
google_append_url("u_aw", window.screen.availWidth);
google_append_url("u_cd", window.screen.colorDepth);
}

google_append_url("u_tz", tz);
google_append_url("u_his", history.length);
google_append_url("u_java", javaEnabled);

if (navigator.plugins) {
google_append_url("u_nplug", navigator.plugins.length);
}
if (navigator.mimeTypes) {
google_append_url("u_nmime", navigator.mimeTypes.length);
}
}

function google_show_ad() {
var w = window;
w.onerror = w.google_org_error_handler;

if (w.google_ad_region == null && w.google_ad_section != null) {
w.google_ad_region = w.google_ad_section;
}

var region = (w.google_ad_region == null) ? '' : w.google_ad_region;

if (w.google_ad_format) {
google_is_zero_ad_format=((w.google_ad_format).indexOf('_0ads'))>0;
} else {
google_is_zero_ad_format=false;
}

if (google_is_zero_ad_format) {
if (w.google_num_0ad_slots) {
w.google_num_0ad_slots = w.google_num_0ad_slots +1;
} else {
w.google_num_0ad_slots = 1;
}

if (w.google_num_0ad_slots>1) {
return;
}
} else {
if (w.google_num_ad_slots) {
w.google_num_ad_slots = w.google_num_ad_slots + 1;
} else {
w.google_num_ad_slots = 1;
}

if (w.google_num_slots_to_rotate) {
w.google_prev_ad_formats_by_region[region] = null;
if (w.google_num_slot_to_show == null) {
w.google_num_slot_to_show = w.google_random % w.google_num_slots_to_rotate
+ 1;
}
if (w.google_num_slot_to_show != w.google_num_ad_slots) {
return;
}
} else if (w.google_num_ad_slots > 3 && region == '') {
return;
}
}

w.google_ad_url = 'http://pagead2.googlesyndication.com/pagead/ads?';
w.google_ad_client = w.google_ad_client.toLowerCase();
if (w.google_ad_client.substring(0,3) != 'ca-') {
w.google_ad_client = 'ca-' + w.google_ad_client;
}
w.google_ad_url += 'client=' + escape(w.google_ad_client) +
'&dt=' + w.google_date.getTime();

google_append_url('hl', w.google_language);
if (w.google_country) {
google_append_url('gl', w.google_country);
} else {
google_append_url('gl', w.google_gl);
}
google_append_url('gr', w.google_region);
google_append_url_esc('gcs', w.google_city);
google_append_url_esc('hints', w.google_hints);
google_append_url('adsafe', w.google_safe);
google_append_url('oe', w.google_encoding);
google_append_url('lmt', w.google_last_modified_time);
google_append_url_esc('alternate_ad_url', w.google_alternate_ad_url);
google_append_url('alt_color', w.google_alternate_color);
google_append_url("skip", w.google_skip);

var client = w.google_ad_client;
if (!w.google_num_slots_by_client[client]) {
w.google_num_slots_by_client[client] = 1;
w.google_num_slots_by_client.length += 1;
} else {
w.google_num_slots_by_client[client] += 1;
}

if (w.google_prev_ad_formats_by_region[region]) {
google_append_url_esc('prev_fmts', w.google_prev_ad_formats_by_region[region].toLowerCase());
if (w.google_num_slots_by_client.length > 1) {
google_append_url('slot', w.google_num_slots_by_client[client]);
}
}

if (w.google_ad_format) {
google_append_url_esc('format', w.google_ad_format.toLowerCase());
if (w.google_prev_ad_formats_by_region[region]) {
w.google_prev_ad_formats_by_region[region] = w.google_prev_ad_formats_by_region[region] + ',' + w.google_ad_format;
} else {
w.google_prev_ad_formats_by_region[region] = w.google_ad_format;
}
}

google_append_url('num_ads', w.google_max_num_ads);
google_append_url('output', w.google_ad_output);
google_append_url('adtest', w.google_adtest);

if (w.google_ad_channel) {
var chnl = w.google_ad_channel.toLowerCase();
google_append_url_esc('channel', chnl);
var pv_ch = '';
var arr = chnl.split('+');
for (var i = 0; i < arr.length; i++) {
var ch = arr[i];
if (!w.google_num_slots_by_channel[ch]) {
w.google_num_slots_by_channel[ch] = 1;
} else {
pv_ch += ch + '+';
}
}
google_append_url_esc('pv_ch', pv_ch);
}

google_append_url_esc('url', w.google_page_url);
google_append_color('bg', w.google_color_bg);
google_append_color('text', w.google_color_text);
google_append_color('link', w.google_color_link);
google_append_color('url', w.google_color_url);
google_append_color('border', w.google_color_border);
google_append_color('line', w.google_color_line);
google_append_url('kw_type', w.google_kw_type);
google_append_url_esc('kw', w.google_kw);
google_append_url_esc('contents', w.google_contents);
google_append_url('num_radlinks', w.google_num_radlinks);
google_append_url('max_radlink