// Workbook JS 
function doTotal() {
     var shipping = 4.50;
     var total = 0.00;
     var grandTotal = 0.00;
     
	 //Workbook 1: Calculating Your Division of Interest
    if (document.orderform.wb1.checked) {
      total = total + (45.00 * document.orderform.wb1c.value);
      document.orderform.wb1count.value=document.orderform.wb1c.value;
    } else {
      document.orderform.wb1count.value = 0;
    }
	//Workbook 2: Probate, Descent and Distribution Manual 2007 Edition
    if (document.orderform.wb2.checked) {
      total = total + (45.00 * document.orderform.wb2c.value);
      document.orderform.wb2count.value=document.orderform.wb2c.value;
    } else {
      document.orderform.wb2count.value=0;
    }
    //Workbook 3: Becoming a Guardian of your Company's Assets Mastering
    if (document.orderform.wb3.checked) {
      total = total + (125.00 * document.orderform.wb3c.value);
      document.orderform.wb3count.value=document.orderform.wb3c.value;
    } else {
      document.orderform.wb3count.value=0;
    }
    //Workbook 4: Becoming a Great Negotiator
    if (document.orderform.wb4.checked) {
      total = total + (85.00 * document.orderform.wb4c.value);
      document.orderform.wb4count.value=document.orderform.wb4c.value;
    } else {
      document.orderform.wb4count.value=0;
    }
    
    grandTotal = total + shipping;
    document.orderform.total.value=grandTotal.toFixed(2);
    
    document.orderform.hiddentotal.value=total + shipping;
    document.orderform.amount.value=total.toFixed(2);
    document.orderform.shipping.value=shipping;
}

function submitForm() {
    if (!document.orderform.wb1.checked && !document.orderform.wb2.checked && !document.orderform.wb3.checked && !document.orderform.wb4.checked) {
      alert("You must select a workbook to order!");
    } else if (document.orderform.firstname.value == "" || document.orderform.lastname.value == "") {
      alert("Please enter your first and last name!");
    } else if (document.orderform.address.value == "" || document.orderform.city.value == ""  || document.orderform.zip.value == "") {
      alert("Please enter your full address, including city, state, and ZIP code.");
    } else if ( document.orderform.email.value != document.orderform.confirm.value) {
      alert("Your email addresses do not match.");
    } else if ( document.orderform.email.value == "") {
      alert("Please enter your email address");
    } else if ( document.orderform.company.value == "") {
      alert("Please enter your company name. If none, enter 'none'."); 
    } else if (document.orderform.wb1.checked && document.orderform.wb1c.value == "0") {
      alert("Please enter a quantity greater than 0.");
    } else if (document.orderform.wb2.checked && document.orderform.wb2c.value == "0") {
      alert("Please enter a quantity greater than 0.");
    } else {
      doTotal();
      document.orderform.submit();
    }

  }