// <script>

// JavaScript Document

function formchecker(theForm)
{


// check input fields
if (theForm.firstname.value == "")
{
alert("You must enter a first name.");
theForm.firstname.focus();
return (false);
}

if (theForm.lastname.value == "")
{
alert("You must enter a last name.");
theForm.lastname.focus();
return (false);
}

if (theForm.company.value == "")
{
alert("You must enter a company name.");
theForm.company.focus();
return (false);
}

if (theForm.title.value == "")
{
alert("You must enter a title.");
theForm.title.focus();
return (false);
}

// check day phone

if (theForm.dayphone.value == "")
{
alert("You must enter a daytime phone.");
theForm.dayphone.focus();
return (false);
}

// require at least 9 characters be entered
if (theForm.dayphone.value.length < 9)
{
alert("Please enter a correct daytime phone, including area code.");
theForm.dayphone.focus();
return (false);
}

// allow ONLY numbers for evening phone and daytime phone
// this can be altered for any "checkOK" string you desire
var checkOK = "0123456789";
var checkStr = theForm.dayphone.value;
var allValid = true;
for (i = 0;  i < checkStr.length;  i++)
{
ch = checkStr.charAt(i);
for (j = 0;  j < checkOK.length;  j++)
if (ch == checkOK.charAt(j))
break;
if (j == checkOK.length)
{
allValid = false;
break;
}
}
if (!allValid)
{
alert("Please enter only numbers for your daytime phone.");
theForm.dayphone.focus();
return (false);
}

// check input fields
if (theForm.addressone.value == "")
{
alert("You must enter an address.");
theForm.addressone.focus();
return (false);
}

// check validity of email address

if (theForm.email.value.indexOf("@")<3){
alert("Your email address seems wrong. Please"
+" check the prefix and '@' sign.");
return (false);
}
if ((theForm.email.value.indexOf(".com")<5)&&(theForm.email.value.indexOf(".org")<5)
&&(theForm.email.value.indexOf(".gov")<5)&&(theForm.email.value.indexOf(".net")<5)
&&(theForm.email.value.indexOf(".mil")<5)&&(theForm.email.value.indexOf(".edu")<5)){
alert("Your email seems wrong. Please"
+" check the suffix for accuracy. (It should include a "
+".com, .edu, .net, .org, .gov or .mil)");
return (false);
   }

// check input fields
if (theForm.city.value == "")
{
alert("You must enter a city.");
theForm.city.focus();
return (false);
}

// check if no state drop down has been selected
if (theForm.state.selectedIndex <= 0)
{
alert("Please select a state.");
theForm.state.focus();
return (false);
}

// check input fields
if (theForm.zip.value == "")
{
alert("You must enter a zip.");
theForm.zip.focus();
return (false);
}


}