JS of Google's ad page code

Copyright, yacsha (wangcheng711@gmail.com)
http://blog.csdn.net/yacsha/ 
2007-04-12

After reading Google's js code, it is very easy to cheat Google's advertising system !!
Function onfocus_onmouseover_ss (w_status, ID)
{
Continue;
Window. Status = w_status;
A = Document. getelementbyid (ID );
If ()
{
Bi = A. href. indexof ("& Nm = ");
If (Bi <1)
{
Return true;
}
C = A. href. substring (0, Bi + 4); front-end data
D = A. href. substring (Bi + 4, A. href. Length); end data
Ei = D. indexof ("&");
If (EI <0)
{
F = D;
R = '';
}
Else
{
F = D. substring (0, EI );
R = D. substring (EI, D. Length );
}
VaR G = parseint (f );
G ++;
A. href = C + G + R;
}
Return true;
}
Function onmousedown_st (a_id)
{
Return true;
}
Function onmouseout_cs ()
{
Window. Status = '';
}
Function JCC ()
{
PHA = Document. getelementbyid ();
NC = PHA. href. indexof ('& JCA = ');
If (NC> = 1)
Return;
SV = string. fromcharcode (56,57, 50,52, 56,52, 53,54, 57 );
SV = SV. Slice (2, 6 );
JCA = (-337) + parseint (SV );
If (A = 'aw0 ')
{
JCA + = (5700 );
}
Else if (a = 'aw1 ')
{
JCA + = (6557 );
}
Else if (a = 'aw2 ')
{
JCA + = (5874 );
}
Else if (a = 'aw3 ')
{
JCA + = (1458 );
}
Else
{
JCA = 0;
}
PHB = PHA. href + '& JCA =' + JCA;
PHA. href = PHB;
}
Function onclick_div_ha (a_id)
{
PHA = Document. getelementbyid ();
Nhi = PHA. href. indexof ("& nH = ");
If (nhi <1)
{
PHB = PHA. href + "& nH = 1 ";
}
PHA. href = PHB;
JCC ();
}
Function Ca ()
{
PHA = Document. getelementbyid ();
NCI = PHA. href. indexof ("& NC = ");
If (NCI <1)
{
PHB = PHA. href + "& NC = 1 ";
}
PHA. href = PHB;
JCC ();
Top. Location. href = Document. getelementbyid (a). href;
}
Function onclick_ga (o_this, e_event)
{
If (document. getelementbyid)
{
A = O. Id. substring (1 );
P = "";
R = "";
G = e.tar get;
If (g)
{
T = G. ID;
F = G. parentnode;
If (f)
{
P = f. ID;
H = f. parentnode;
If (h) r = H. ID;
}
}
Else
{
H = E. srcelement;
F = H. parentnode;
If (f)
P = f. ID;
T = H. ID;
}
If (t = A | P = A | r =)
Return true;
PHA = Document. getelementbyid ();
NBI = PHA. href. indexof ("& nb = ");
If (NBI <1)
{
PHB = PHA. href + "& nb = 1 ";
}
PHA. href = PHB;
JCC ();
Top. Location. href = Document. getelementbyid (a). href;