How to input vbphrase in js

[Easy5s.net]

Here is a snippet of the file. js, and I want to use alternative vbpharse Thank

        if(x.readyState==4&&x.status==200)
		{
            el.innerHTML='';
            el=document.getElementById(id);
            el.innerHTML=x.responseText;
			document.getElementById(id2).innerHTML = "thank";
            if (eval_str) eval(eval_str);
            }
        }