function formCheck() {

    if (document.theform.firstname.value == "") {       

      alert("Please enter your first name.");       

      return false;     

    }

    if (document.theform.lastname.value == "") {       

      alert("Please enter your last name.");       

      return false;     

    }

    if (document.theform.address_1.value == "") {       

      alert("Please enter your street address.");       

      return false;     

    }

    if (document.theform.city.value == "") {       

      alert("Please enter your city.");       

      return false;     

    }

    if (document.theform.state.value == "") {       

      alert("Please enter your state.");       

      return false;     

    }

    if (document.theform.zip.value == "") {       

      alert("Please enter your zip code.");       

      return false;     

    }

    if (document.theform.country.value == "") {       

      alert("Please enter your country.");       

      return false;     

    }

    if (document.theform.areacode.value == "") {       

      alert("Please enter your area code number.");       

      return false;     

    }

    if (document.theform.phone.value == "") {       

      alert("Please enter your phone number.");       

      return false;     

    }

    if ((document.theform.acct.value == "") && (document.theform.noattend.value == "")) {       

      alert("Please enter your credit card account number.");       

      return false;     

    }

    if ((document.theform.cardname.value == "") && (document.theform.noattend.value == "")) {       

      alert("Please enter the name stamped on the credit card you are using.");       

      return false;     

    }



    if (document.theform.email.value == "") {

      alert("Please enter your email address.");

      return false;

    }      

    if (document.theform.email.value.indexOf("@") == -1) {

      alert("Please make sure you have entered your email address correctly.");

      return false;

    }

  }