error detection javascript/html

guttface · **Posted:** Mon Apr 04, 2005 6:52 pm

this is a javascript question but i didnt no where else to put it. i keep getting an error that a function is expected on line 72. i've spent 4 hours on it and cant find an answer. plz help.

code:

<html>
<head>
<script laguage="JavaScript">

function PRIME(max,p1){
while(true){
var prime = Math.floor(Math.random() * max) ;
var factor=2;
      while (factor < prime && (prime%factor)!=0){
factor++;
     if (factor==prime && factor!=p1 ) return prime;
}
}
}

function GCD(a,b){
while(c != 0){
var c = a % b;
a = b;
b = c;
}
return a;
}

function E(phi){
var e=3;
while(GCD(phi,e)!=1){
      e+=2;
   }
return e;
}

function D(S,L) {
a = new Array();
q = new Array();
x = new Array();

a[0]=L; a[1]=S; i=0;
while(a[i]%a[i+1]!=0)
{
a[i+2]=a[i]%a[i+1];
q[i+1]=Math.floor(a[i]/a[i+1]);
i++;
}
var n=i+1; x[n]=0; x[n-1]=1;
for(j=n-2;j>=0;j--) x[j] = x[j+1] * q[j+1] + x[j+2];
if (a[n] != 1) return "No Inverse";
if((x[1]*a[0])>(x[0]*a[1])) return L - x[0];
else return x[0];
}

function NUMLET(str){
var numstr="";
for(i=0;i<str.length;i++){
numstr+=(str.charCodeAt(i)-96) + " ";
}
return numstr;
}

function EXP(a,b){
var t=1;
   for(i=1;i<=b;i++){
      t=t*a;
}
return t;
}

function ENCIPHER(str){
var numstr=str.split(" ");
var ciphernum="";
for(i=0;i<numstr.length;i++){
ciphernum+=(EXP(parseInt(numstr(i)),parseInt(e.value))%parseInt(n.value)) + " ";
}
return ciphernum;
}

</script>
</head>
<body>
<input type="text" name="prime1">
<input type="button" value="Generate Prime 1" onClick="prime1.value=PRIME(30,parseInt(prime2.value));"><br>
<input type="text" name="prime2">
<input type="button" value="Generate Prime 2" onClick="prime2.value=PRIME(30,parseInt(prime1.value));"><br>
<input type="text" name="n">
<input type="button" value="Generate n" onClick="n.value=(parseInt(prime1.value))*(parseInt(prime2.value));"><br>
<input type="text" name="phi">
<input type="button" value="Generate phi" onClick="phi.value=(parseInt(prime1.value)-1)*(parseInt(prime2.value)-1);"><br>
<input type="text" name="e">
<input type="button" value="Generate e" onClick="e.value=E(parseInt(phi.value));"><br>
<input type="text" name="d">
<input type="button" value="Generate d" onClick="d.value=D(parseInt(e.value),parseInt(phi.value));"><br><br>

<input type="text" name="ml">
<input type="button" value="Generate Ciphertext" onClick="mn.value=NUMLET(ml.value);cn.value=ENCIPHER(mn.value);"><br>
<input type="text" name="mn"><br>
<input type="text" name="cn">
<input type="button" value="Generate Plaintext" onClick="mn2.value='1234';mn2.value+=' 5678';"><br>
<input type="text" name="mn2"><br>
<input type="text" name="ml2">
</body>
</html>

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