// JavaScript Document
function aMayusculas(cadena) 
{
    var result="";
    var str = cadena.split("");
    for(i=0; i<=str.length-1; i++) {
        str[i] = str[i].toUpperCase();
		/*
		if (str[i]=="á")
		  str[i]="Á";
		if (str[i]=="é")
		  str[i]="É";
		if (str[i]=="í")
		  str[i]="Í";
		if (str[i]=="ó")
		  str[i]="Ó";
		if (str[i]=="ú")
		  str[i]="Ú";
		if (str[i]=="ñ")
		  str[i]="Ñ";
		*/    
		result+=str[i];
    }
    return(result);
}

String.prototype.wordWrap = function(m, b, c){
  var i, j, s, r = this.split("\n");
  if(m > 0) for(i in r){
    for(s = r[i], r[i] = ""; s.length > m;
      j = c ? m : (j = s.substr(0, m).match(/\S*$/)).input.length - j[0].length
                   || m,
                   r[i] += s.substr(0, j) + ((s = s.substr(j)).length ? b : "")
      );
      r[i] += s;
    }
  return r.join("\n");
};