function trim(str) {
	if (!str || typeof str != 'string')
		return null;

	return str.replace(/^[\s]+/, '').replace(/[\s]+$/, '').replace(/[\s]{2,}/, ' ');
}

function SendNewsLetterData(username) {
    var nsresponse
    $.ajax({
        url: "/newsletter.aspx?uname=" + username,
        async: false,
        success: function (data) {
            nsresponse = data;
        }
    });
    return nsresponse;
}


function checkEmail(inputvalue){	
    var pattern=/^([a-zA-Z0-9_.-])+@([a-zA-Z0-9_.-])+\.([a-zA-Z])+([a-zA-Z])+/;
    if(pattern.test(inputvalue)){         
		return true;
    }else{   
		return false;
    }
}