转载注明出处!
版权所有,yacsha(wangcheng711@gmail.com)
http://blog.csdn.net/yacsha/
2007-04-12
以下代码执行后就是创建了一个iframe,iframe的src和参数根据你设置的参数生成,就是生成广告代码样式的时候,不懂的地方可以加断点调试
(
function()
{
function m(b)
{
return b!=null?'"'+b+'"':'""'
}
function B(b)
{
if(typeof encodeURIComponent=="function")
{
return encodeURIComponent(b)
}
else
{
return escape(b)
}
}
function c(b,a)
{
if(a)
{
window.google_ad_url+="&"+b+"="+a
}
}
function f(b,a)
{
if(a)
{
c(b,B(a))
}
}
function l(b,a,d)
{
if(a&&typeof a=="object")
{
a=a[d%a.length]
}
c("color_"+b,a)
}
function D(b,a)
{
var d=b.screen,g=navigator.javaEnabled(),e=-a.getTimezoneOffset();
if(d)
{
c("u_h",d.height);
c("u_w",d.width);
c("u_ah",d.availHeight);
c("u_aw",d.availWidth);
c("u_cd",d.colorDepth)
}
c("u_tz",e);
c("u_his",history.length);
c("u_java",g);
if(navigator.plugins)
{
c("u_nplug",navigator.plugins.length)
}
if(navigator.mimeTypes)
{
c("u_nmime",navigator.mimeTypes.length)
}
}
function y(b)
{
b=b.toLowerCase();
if(b.substring(0,3)!="ca-")
{
b="ca-"+b
}
return b
}
function G(b,a,d)
{
d=d.substring(0,1000);
d=d.replace(/%/w?$/,"");
if(b.google_ad_output=="js"&&(b.google_ad_request_done||b.google_radlink_request_done))
{
a.write('<script language="JavaScript1.1" src='+m(d)+"><//script>")
}
else if(b.google_ad_output=="html")
{
if(b.name!="google_ads_frame")
{
a.write('<iframe name="google_ads_frame" width='+m(b.google_ad_width)+" height="+m(b.google_ad_height)+" frameborder="+m(b.google_ad_frameborder)+" src="+m(d)+' marginwidth="0" marginheight="0" vspace="0" hspace="0" allowtransparency="true" scrolling="no">');a.write("</iframe>")
}
}
else if(b.google_ad_output=="textlink")
{
a.write('<script language="JavaScript1.1" src='+m(d)+"><//script>")
}
}
function InitialVar(b)
{
var a=null;
b.google_ad_frameborder=a;
b.google_ad_format=a;
b.google_page_url=a;
b.google_language=a;
b.google_gl=a;
b.google_country=a;
b.google_region=a;
b.google_city=a;
b.google_hints=a;
b.google_safe=a;
b.google_encoding=a;
b.google_ad_output=a;
b.google_max_num_ads=a;
b.google_ad_channel=a;
b.google_contents=a;
b.google_alternate_ad_url=a;
b.google_alternate_color=a;
b.google_color_bg=a;
b.google_color_text=a;
b.google_color_link=a;
b.google_color_url=a;
b.google_color_border=a;
b.google_color_line=a;
b.google_reuse_colors=a;
b.google_adtest=a;
b.google_kw_type=a;
b.google_kw=a;
b.google_num_radlinks=a;
b.google_max_radlink_len=a;
b.google_rl_filtering=a;
b.google_rl_mode=a;
b.google_rt=a;
b.google_ad_type=a;
b.google_image_size=a;
b.google_feedback=a;
b.google_skip=a;
b.google_page_location=a;
b.google_referrer_url=a;
b.google_ad_region=a;
b.google_ad_section=a;
b.google_bid=a;
b.google_cpa_choice=a;
b.google_cust_age=a;
b.google_cust_gender=a;
b.google_cust_interests=a;
b.google_cust_id=a;
b.google_cust_job=a;
b.google_cust_u_url=a;
b.google_cust_l=a;
b.google_cust_lh=a;
b.google_cust_ch=a;
b.google_ed=a;
b.google_targeting=a;
b.google_ad_host=a
}
function A()
{
var b=null,a=window,d=document,g=new Date,e=g.getTime(),j=a.google_ad_format;
if(a.google_cpa_choice)
{
a.google_ad_url="http://pagead2.googlesyndication.com/cpa/ads?";
a.google_ad_url+="client="+escape(y(a.google_ad_client));
a.google_ad_region="_google_cpa_region_";
c("cpa_choice",a.google_cpa_choice);
if(typeof d.characterSet!="undefined")
{
f("oe",d.characterSet)
}
else if(typeof d.charset!="undefined")
{
f("oe",d.charset)
}
}
else
{
a.google_ad_url="http://pagead2.googlesyndication.com/pagead/ads?";
a.google_ad_url+="client="+escape(y(a.google_ad_client))
}
c("host",a.google_ad_host);
var k=a.google_num_slots_by_client,w=a.google_num_slots_by_channel,i=a.google_prev_ad_formats_by_region;
a.onerror=a.google_org_error_handler;
if(a.google_ad_region==b&&a.google_ad_section!=b)
{
a.google_ad_region=a.google_ad_section
}
var h=a.google_ad_region==b?"":a.google_ad_region,q=false;
if(j)
{
q=j.indexOf("_0ads")>0
}
if(q)
{
if(a.google_num_0ad_slots)
{
a.google_num_0ad_slots=a.google_num_0ad_slots+1
}
else
{
a.google_num_0ad_slots=1
}
if(a.google_num_0ad_slots>3)
{
return
}
}
else if(!a.google_cpa_choice)
{
if(a.google_num_ad_slots)
{
a.google_num_ad_slots=a.google_num_ad_slots+1
}
else
{
a.google_num_ad_slots=1
}
if(a.google_num_slots_to_rotate)
{
i[h]=b;
if(a.google_num_slot_to_show==b)
{
a.google_num_slot_to_show=e%a.google_num_slots_to_rotate+1
}
if(a.google_num_slot_to_show!=a.google_num_ad_slots)
{
return
}
}
else if(a.google_num_ad_slots>3&&h=="")
{
return
}
}
c("dt",g.getTime());
c("hl",a.google_language);
if(a.google_country)
{
c("gl",a.google_country)
}
else
{
c("gl",a.google_gl)
}
c("gr",a.google_region);
f("gcs",a.google_city);
f("hints",a.google_hints);
c("adsafe",a.google_safe);
c("oe",a.google_encoding);
c("lmt",a.google_last_modified_time);
f("alternate_ad_url",a.google_alternate_ad_url);
c("alt_color",a.google_alternate_color);
c("skip",a.google_skip);
c("targeting",a.google_targeting);
var n=a.google_ad_client;
if(!k[n])
{
k[n]=1;
k.length+=1
}
else
{
k[n]+=1
}
if(i[h])
{
f("prev_fmts",i[h].toLowerCase());
if(k.length>1)
{
c("slot",k[n])
}
}
if(j)
{
f("format",j.toLowerCase());
if(i[h])
{
i[h]=i[h]+","+j
}
else
{
i[h]=j
}
}
c("num_ads",a.google_max_num_ads);
c("output",a.google_ad_output);
c("adtest",a.google_adtest);
if(a.google_ad_channel)
{
var r=a.google_ad_channel;f("channel",r);
var s="",t=r.split("+");
for(var o=0;o<t.length;o++)
{
var p=t[o];
if(!w[p])
{
w[p]=1
}
else
{
s+=p+"+"
}
}
f("pv_ch",s)
}
f("url",a.google_page_url);
l("bg",a.google_color_bg,e);
l("text",a.google_color_text,e);
l("link",a.google_color_link,e);
l("url",a.google_color_url,e);
l("border",a.google_color_border,e);
l("line",a.google_color_line,e);
c("reuse_colors",a.google_reuse_colors);
c("kw_type",a.google_kw_type);
f("kw",a.google_kw);
f("contents",a.google_contents);
c("num_radlinks",a.google_num_radlinks);
c("max_radlink_len",a.google_max_radlink_len);
c("rl_filtering",a.google_rl_filtering);
c("rl_mode",a.google_rl_mode);
c("rt",a.google_rt);
c("ad_type",a.google_ad_type);
c("image_size",a.google_image_size);
c("region",a.google_ad_region);
c("feedback_link",a.google_feedback);
f("ref",a.google_referrer_url);
f("loc",a.google_page_location);
c("bid",a.google_bid);
c("cust_age",a.google_cust_age);
c("cust_gender",a.google_cust_gender);
c("cust_interests",a.google_cust_interests);
c("cust_id",a.google_cust_id);
c("cust_job",a.google_cust_job);
c("cust_u_url",a.google_cust_u_url);
c("cust_l",a.google_cust_l);
c("cust_lh",a.google_cust_lh);
c("cust_ch",a.google_cust_ch);
c("ed",a.google_ed);
if(z(a,d)&&d.body)
{
var u=d.body.scrollHeight,v=d.body.clientHeight;
if(v&&u)
{
f("cc",Math.round(v*100/u))
}
}
D(a,g);
G(a,d,a.google_ad_url);
InitialVar(a)
}
function C(b,a,d)
{
A();
return true
}
function z(b,a)
{
return b.top.location==a.location
}
function x(b,a)
{
var d=a.documentElement;
if(z(b,a))
return false;
if(b.google_ad_width&&b.google_ad_height)
{
var g=1,e=1;
if(b.innerHeight)
{
g=b.innerWidth;
e=b.innerHeight
}
else if(d&&d.clientHeight)
{
g=d.clientWidth;
e=d.clientHeight
}else if(a.body)
{
g=a.body.clientWidth;
e=a.body.clientHeight
}
if(e>2*b.google_ad_height||g>2*b.google_ad_width)
{
return false
}
}
return true
}
function E()
{
var b=window,a=document,d=a.location,g=a.referrer,e=null;
b.google_org_error_handler=b.onerror;
b.onerror=C;
if(b.google_ad_frameborder==e)
{
b.google_ad_frameborder=0
}
if(b.google_ad_output==e)
{
b.google_ad_output="html"
}
if(b.google_ad_format==e&&b.google_ad_output=="html")
{
b.google_ad_format=b.google_ad_width+"x"+b.google_ad_height
}
if(b.google_page_url==e)
{
b.google_page_url=g;
if(!x(b,a))
{
b.google_page_url=d;
b.google_last_modified_time=Date.parse(a.lastModified)/1000;
b.google_referrer_url=g
}
}
else
{
b.google_page_location=g;
if(!x(b,a))
{
b.google_page_location=d
}
}
if(b.google_num_slots_by_channel==e)
{
b.google_num_slots_by_channel=[]
}
if(b.google_num_slots_by_client==e)
{
b.google_num_slots_by_client=[]
}
if(b.google_prev_ad_formats_by_region==e)
{
b.google_prev_ad_formats_by_region=[]
}
}
E();
A();
}
)()
以上代码执行后就是创建了一个iframe,iframe的src和参数根据你设置的参数生成,就是生成广告代码样式的时候,不懂的地方可以加断点调试