function fnSubmit()
{
var mesg = "";
var flag = 0;
var tflag= "false";// validation for First name
if ((document.frmcontact.txtfname.value == "")||(document.frmcontact.txtfname.value == ' ')||(document.frmcontact.txtfname.value.length == 0)){
mesg = mesg + "First name cannot be empty \n";
flag = 1;
}
else
{
ret = spchars(document.frmcontact.txtfname.value,11)
if (ret == false){
mesg = mesg + "Invalid character in first name \n";
flag = 1;
}
}
// validation for Last name
if ((document.frmcontact.txtlname.value == "")||(document.frmcontact.txtlname.value == ' ')||(document.frmcontact.txtlname.value.length == 0)){
mesg = mesg + "Last name cannot be empty\n";
flag = 1;
}
else
{
ret = spchars(document.frmcontact.txtlname.value,11)
if (ret == false){
mesg = mesg + "Invalid character in last name \n";
flag = 1;
}
}
// validation for emails
if ((document.frmcontact.txtemail.value == "")||(document.frmcontact.txtemail.value == ' ')||(document.frmcontact.txtemail.value.length == 0)){
mesg = mesg+ "Please provide a valid email \n";
flag = 1;
}
else
{
ret = IsEmailValid(document.frmcontact.txtemail.value)
if (ret == false){
mesg = mesg + "Invalid character in email \n";
flag = 1;
}
}
if (flag == 1){
alert (mesg);
}else{
document.frmcontact.action = "email.php";
document.frmcontact.submit();
}
}