Problema textbox javascript

[jackson666]

Código Javascript:

<input name="palclave" onkeydown="Saltar2(event, this.value)" type="password" value="" size=25 maxlength="7"/>
 
function Saltar2(e, pal){
 
    if(e.keyCode == 13){
 
        window.location=pal+".html";
 
    }else{ return false; }
 
}