function valForm1() {
    num = 0;
    num += isEmpty("full_name_field");
    num += isEmail("mail_field");
    num += isEmpty("subject_field");
    num += isEmpty("body_field");
 if (num == 0) {document.getElementById("contact_us").submit();
        }

}


function isEmpty(idField) {
    val = $("#"+idField).val();
    if (val.length == 0) {
        showError(idField);
        return 1;
    }
    else {
        noError(idField);
        return 0;
        
    }
}

function isEmail(email)
{
   var mail = $("#"+email).val();
   
    var emailRegex = new RegExp("^[_\\.0-9a-z-]+@([0-9a-z][0-9a-z_-]+\\.)+[a-z]{2,4}$");
    if (emailRegex.test(mail)) {
        noError(email);
        return 0;
    }
    else {
        showError(email);
        return 1;
    }
}

function showError(idField) {
  //    $("#"+idField).removeClass("no_error");
       $("#"+idField).css("border","solid 1px #cc1111");
}

function noError(idField) {
      $("#"+idField).css("border", "1px solid #535353");
}

function show_hide_events() {
        var display = $('#fff').css('display');
    if(display == 'none'){
        $('#fff').slideDown(1200);
        $('.view-all').text('');
    }
    else{
        $('#fff').slideUp(1200);
        $('.view-all').text('');
    }
    $('.view-all').toggleClass('hide-all');

}