// <![CDATA[
var notAllowed = ['pico','chupalo','pene','mierda','huevon','concha','pene','mierda','maricon','carajo','weon','culiao','conchetumadre','conxetumadre','puta','perra','chuchesumadre','qliao','culiao','wn','hueon','saco','weba','negro','chucha','zorra','pajero','paja','hoyo','orto','caca','payaso','pelotudo','penca','pendejo','chupar','p1co','chupa'];
function checkWord(txt){
txt.value=txt.value.toLowerCase();	
for(var i = 0; i < notAllowed.length; i++){
if(txt.value.indexOf(notAllowed[i]) != -1){
alert('La Palabra "' + notAllowed[i] + '" no es permitida');
txt.value = txt.value.substr(0, txt.value.indexOf(notAllowed[i]));
break;
}
}
}
// ]]>