function Check_Demo(){

    if (document.requestDemo.first.value == "") {
      alert("Please provide your first name");
      document.requestDemo.first.focus();
      return false;
    }

    if (document.requestDemo.last.value.length == 0 ) {
      alert("Please provide your last name");
      document.requestDemo.last.focus();
      return false;
    }

    if (document.requestDemo.company.value.length == 0 ) {
      alert("Please provide your company name");
      document.requestDemo.company.focus();
      return false;
    }

    if (document.requestDemo.email.value.length == 0 ) {
      alert("Please provide your company email address");
      document.requestDemo.email.focus();
      return false;
    }
    
    if (document.requestDemo.email.value.length != 0 ) {
      var validAt = 0;
      var validDot = 0;
      var lem = document.requestDemo.email.value.length;
      
      
      for (var i = 0; i < lem; i++)
      {
          if (document.requestDemo.email.value.charAt(i) == "@"){ validAt = validAt + 1}
          if (document.requestDemo.email.value.charAt(i) == "."){ validDot = validDot + 1}
      }
      if (validAt != 1 && validDot < 1)
      {
        alert("Please enter a valid e-mail address");
        document.requestDemo.email.value = "";
        document.requestDemo.email.focus();
        return false;
      }
    }
    return true;
}

function Check_Reseller(){

    if (document.resellerRequest.first.value == "") {
      alert("Please provide your first name");
      document.resellerRequest.first.focus();
      return false;
    }

    if (document.resellerRequest.last.value.length == 0 ) {
      alert("Please provide your last name");
      document.resellerRequest.last.focus();
      return false;
    }

    if (document.resellerRequest.company.value.length == 0 ) {
      alert("Please provide your company name");
      document.resellerRequest.company.focus();
      return false;
    }

    if (document.resellerRequest.email.value.length == 0 ) {
      alert("Please provide your company email address");
      document.resellerRequest.email.focus();
      return false;
    }
    
    if (document.resellerRequest.email.value.length != 0 ) {
      var validAt = 0;
      var validDot = 0;
      var lem = document.resellerRequest.email.value.length;
      
      
      for (var i = 0; i < lem; i++)
      {
          if (document.resellerRequest.email.value.charAt(i) == "@"){ validAt = validAt + 1}
          if (document.resellerRequest.email.value.charAt(i) == "."){ validDot = validDot + 1}
      }
      if (validAt != 1 && validDot < 1)
      {
        alert("Please enter a valid e-mail address");
        document.resellerRequest.email.value = "";
        document.resellerRequest.email.focus();
        return false;
      }
    }
    return true;
}

function Check_News(){

    if (document.requestNews.first.value == "") {
      alert("Please provide your first name");
      document.requestNews.first.focus();
      return false;
    }

    if (document.requestNews.last.value.length == 0 ) {
      alert("Please provide your last name");
      document.requestNews.last.focus();
      return false;
    }

    if (document.requestNews.company.value.length == 0 ) {
      alert("Please provide your company name");
      document.requestNews.company.focus();
      return false;
    }

    if (document.requestNews.email.value.length == 0 ) {
      alert("Please provide your company email address");
      document.requestNews.email.focus();
      return false;
    }
    
    if (document.requestNews.email.value.length != 0 ) {
      var validAt = 0;
      var validDot = 0;
      var lem = document.requestNews.email.value.length;
      
      
      for (var i = 0; i < lem; i++)
      {
          if (document.requestNews.email.value.charAt(i) == "@"){ validAt = validAt + 1}
          if (document.requestNews.email.value.charAt(i) == "."){ validDot = validDot + 1}
      }
      if (validAt != 1 && validDot < 1)
      {
        alert("Please enter a valid e-mail address");
        document.requestNews.email.value = "";
        document.requestNews.email.focus();
        return false;
      }
    }
    return true;
}