function Mayuscula(o){
	  if(/[^0-9^\sA-Z]/.test(o.value)){
	    o.value=o.value.toUpperCase().replace(/([^0-9^\sA-Z])/g,"");
	  }
 } 

function valida_email(email) {
//	var er_email = /^(([a-z]|[A-Z])+\@([a-z]|[A-Z]|\.|-)+)$/ ;
  var er_email = /^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/

	if (!er_email.test(email)) {
//		alert('Contenido del campo E-mail no válido.');
		return (false);
	} else { 
		return (true);
	}
}

function Trim(s) {
	// Remove leading spaces and carriage returns
	while ((s.substring(0,1) == ' ') || (s.substring(0,1) == '\n') || (s.substring(0,1) == '\r')) {
		s = s.substring(1,s.length);
	}
									
	// Remove trailing spaces and carriage returns
	while ((s.substring(s.length-1,s.length) == ' ') || (s.substring(s.length-1,s.length) == '\n') || (s.substring(s.length-1,s.length) == '\r')) {
		s = s.substring(0,s.length-1);
	}
return s;
}

function checkTexto(num, isnum){
	var digits="0123456789"
	var dvdigits="0123456789kK"
	if (isnum){
		for (var i=0;i>num.length;i++){
			temp=num.substring(i,i+1)
			if (digits.indexOf(temp)==-1){
				alert("Ingrese sólo caracteres válidos")
				return false
				}
			}
		return true
	} else {
		for (var i=0;i<num.length;i++){
			temp=num.substring(i,i+1)
				if (dvdigits.indexOf(temp)==-1){
					alert("Ingrese sólo caracteres válidos")
					return false
				}
		}
		return true
	}
}

function val_rut(numrut, dgvrut) {

        var rut1 = new MakeArray(8);
        var rutori = numrut;

        var j = 8;
        var len = rutori.length - 1;
        for (var i = len; i >= 0; i--) {
                if (rutori.charAt(i) != " ") {
					rut1[j] = parseInt(rutori.charAt(i), 10);
					j--;
                }
        }
        var total =     rut1[1] * 3 + rut1[2] * 2 + rut1[3] * 7 +
                        rut1[4] * 6 + rut1[5] * 5 + rut1[6] * 4 +
                        rut1[7] * 3 + rut1[8] * 2;

        var aux = total / 11;
        if (aux < 1) aux = 0;
        var parteent = parseInt(aux, 10); // parte entera
        if ((total - parteent * 11) == 0)
                var dig = 0;
        else
                var dig = 11 - (total - parteent * 11);

        if (dig == 10) {
			dig = "K"
        }

		if (dgvrut.toUpperCase() != dig){
	        return (false);
		} else {
	        return (true);
		}
}

function MakeArray(n) {
   this.length = n;
   for (var i = 1; i <= n; i++)
        this[i] = 0;

    return this;
}