md5($salt1,password,$salt2) ?

[erikass]

Such an attack is not directly supported. You will have to emulate it using a suitable hashmode and a suitably choosen mask/rule.

Please can u give an example ? 

i'm new at cracking stuff

This is function of javascript

**
function doLogin() {
document.sendin.username.value = document.login.username.value;
document.sendin.password.value = hexMD5('\103' + document.login.password.value + '\023\057\006\061\107\252\031\022\337\206\115\266\027\310\002\117');
document.sendin.submit();
return false;

**