function checkSub(){
if (document.signup.email.value.indexOf('@', 0) == -1) {
alert("Please fill in your valid Email Address.\nYour email should be in the following format: email@address.com")
document.signup.email.focus()
return false}
if (document.signup.fname.value == "") {
alert("Please fill in your First Name.")
document.signup.fname.focus()
return false}      
if (document.signup.lname.value == "") {
alert("Please fill in your Last Name.")
document.signup.lname.focus()
return false} 
if (document.signup.country.value == "") {
alert("Please fill in your Country.")
document.signup.country.focus()
return false}                    
}