// JavaScript Document
function vacio(q) {

        for ( i = 0; i < q.length; i++ ) {

                if ( q.charAt(i) != " " ) {

                        return true

                }

        }

        return false

}





function valida(F) {

        

        if( vacio(F.q.value) == false ) {

              alert("Please Insert a key to begin a search.")

                return false

        } else {

               

               

                return true

        }

        

}