I have a program that suppose to print out a student information so I have to use Alert in order to make this a success but my JAVA SCRIPT is not producing anything, I dont know what Im missing in my code please have a look at it.... its quite bit long but please be pacient with me
<script language="javascript">
<!--
function validateInput()
{
var LName = document.frmStudentInfo.txtLastName.value;
var FName = document.frmStudentInfo.txtFirstName.value;
var MI = document.frmStudentInfo.txtS_Mi.value;
var Address = document.frmStudentInfo.txtS_Add.value;
var City = document.frmStudentInfo.txtS_City.value;
var State = document.frmStudentInfo.txtS_State.value;
var Zip = document.frmStudentInfo.txtS_Zip.value;
var Phone = document.frmStudentInfo.txtS_Phone.value;
var DOB = new Date(document.frmStudentInfo.txtS_Dob.value);
var lstInx = document.frmStudentInfo.lstF_ID.selectedIndex;
var radValue;
var checkedBox = "NO";
var radChecked = false;
for(var i = 0;i < document.frmStudentInfo.optS_Class.length;i++)
{
if(document.frmStudentInfo.optS_Class[i].checked)
{
radValue = document.frmStudentInfo.optS_Class[i].value;
radChecked = true;
}
}
if(document.frmStudentInfo.txtLastName.value == "")
{
alert("Please enter last name");
document.frmStudentInfo.txtLastName.select();
return false;
}
else if(document.frmStudentInfo.txtFirstName.value == "")
{
alert("Please enter first name");
document.frmStudentInfo.txtFirstName.select();
return false;
}
else if(document.frmStudentInfo.txtS_Mi.value == "")
{
alert("Please enter MI");
document.frmStudentInfo.txtS_Mi.select();
return false;
}
else if(document.frmStudentInfo.txtS_Add.value == "")
{
alert("Please enter address");
document.frmStudentInfo.txtS_Add.select();
return false;
}
else if(document.frmStudentInfo.txtS_City.value == "")
{
alert("Please enter city");
document.frmStudentInfo.txtS_City.select();
return false;
}
else if(document.frmStudentInfo.txtS_State.value == "")
{
alert("Please enter state");
document.frmStudentInfo.txtS_State.select();
return false;
}
else if(document.frmStudentInfo.txtS_Zip.value == "")
{
alert("Please enter zip code");
document.frmStudentInfo.txtS_Zip.select();
return false;
}
else if(document.frmStudentInfo.txtS_Phone.value == "")
{
alert("Please enter phone");
document.frmStudentInfo.txtS_Phone.select();
return false;
}
else if(isNaN(DOB) == true)
{
alert("Please enter valid date in the format dd/mm/yy");
document.frmStudentInfo.txtS_Dob.select();
return false;
}
else if(lstInx == -1)
{
alert("Please select Advisor");
document.frmStudentInfo.lstF_ID.selectedIndex == 0;
return false;
}
else if(radChecked == false)
{
alert("Please select class");
return false;
}
else
{
if(document.frmStudentInfo.chkResident.checked == true)
{
checkedBox = "YES";
}
alert(FName + " " + LName + "\n" +
Address + "\n" +
City + " " + State + " " + Zip + "\n" +
"Phone" + " " + Phone + "\n" +
"Class" + " " + radValue + "\n" +
"WI Resident" + " " + checkedBox + "\n" +
"Advisor" + " " + document.frmStudentInfo.lstF_ID.options[lstInx].text);
}
}
//-->
</script>