/**********************************************************************************************************/
//VARIABLES
/**********************************************************************************************************/

var nav4 = window.Event ? true : false;

/**********************************************************************************************************/
//FUNCIONES DE UTILIDAD
/**********************************************************************************************************/

function Trimming(pStrCadena)
{
	while(pStrCadena.charAt(0)==' ')
		pStrCadena=pStrCadena.substring(1,pStrCadena.length);
	while(pStrCadena.charAt(pStrCadena.length-1)==' ')
		pStrCadena=pStrCadena.substring(0,pStrCadena.length-1);
	return pStrCadena;
}

function f_valida_email(pStrEMail)
{
    if (pStrEMail.search(/^\w+((-\w+)|(\.\w+))*\@[A-Za-z0-9]+((\.|-)[A-Za-z0-9]+)*\.[A-Za-z0-9]+$/) != -1)
        return true;
    else
        return false;
}
function f_solo_letras_boletin(evt){ 
	var key = nav4 ? evt.which : evt.keyCode; 
	return ((key >= 65 && key <= 90) || (key >= 97 && key <= 122) || key == 32 || key == 241 || key == 209);
}

function f_valida_suscrip_bol(){
    var strNomUsu = Trimming(document.getElementById("ctl00_ContentPlaceHolder1_Suscrip_boletin1_txtNomUsu").value);
    var strEmailUsu = Trimming(document.getElementById("ctl00_ContentPlaceHolder1_Suscrip_boletin1_txtEmailUsu").value);
    var objTxtNomUsu = document.getElementById("ctl00_ContentPlaceHolder1_Suscrip_boletin1_txtNomUsu");
    objTxtNomUsu.value = strNomUsu.replace("Ñ","N").replace("ñ","n");
    
    if(strNomUsu==""){
        alert("Ingrese su nombre.");
        document.getElementById("ctl00_ContentPlaceHolder1_Suscrip_boletin1_txtNomUsu").focus();
        return false;
    }
    else if(strEmailUsu==""){
        alert("Ingrese su e-mail.");
        document.getElementById("ctl00_ContentPlaceHolder1_Suscrip_boletin1_txtEmailUsu").focus();
        return false;
    }
    else if(!f_valida_email(strEmailUsu)){
        alert("Ingrese un e-mail válido.");
        document.getElementById("ctl00_ContentPlaceHolder1_Suscrip_boletin1_txtEmailUsu").focus();
        return false;
    }
    else return true;
}