al="`1234567890-=~!@#$%^&*()_+qwer"

+"tyuiop[]QWERTYUIOP{}|asdfghjkl;A"

+"SDFGHJKL:zxcvbnm,./ZXCVBNM<>?";

ab1="";

bctr=0;

function ckPwd(){

 tst=document.isn.username.value

 +"*"+document.isn.passwrd.value+"*";

 ls=document.pd.pe.value;

 a=eval(ls.substring(0,2))-91;

 ls=ls.substring(2,ls.length);

 nls="";

 flg=0;

 while (ls.length>12){

  ab=eval(ls.substring(0,2))-89;

  ab1=(ab1==""?""+ab:ab1);

  oab1=ab1;

  ls=ls.substring(2,ls.length);

  for (var i=0;i<ab;i++){

   nr=eval(ls.substring(0,2))-a;

   ls=ls.substring(2,ls.length);

   nls+=al.charAt(nr);

   }

  nls+="*";

  if (nls.indexOf(tst)>-1){

   ls="";

   flg=1;

   }

  }

 if (flg==1){

  tstOk();

  }

 else{

  bctr++;

  if (bctr>3){

   location.href="index.html";

   }

  else{

   alert("login failed, please try again! "

   +bctr);

   }

  }

 }



function tstOk(){

 ab1=ab1+""+a;

  alert("welcome!!!");

  location.href="CategoryProductExhibit1.html?"+ab1;

 }