function check(){
var digits="0123456789"
var temp
var noEmail = "The e-mail address you have entered is incorrect. Please correct it!";
var EmailError = "The e-mail address that you have entered is incorrect. Please correct it!";



if (document.pres_form.fname.value == ''){
alert("The 'First name' field is empty! Please correct it!")
document.pres_form.fname.focus()
return false
}

if (document.pres_form.lname.value == ''){
alert("The 'Last name' field is empty! Please correct it!")
document.pres_form.lname.focus()
return false
}

if (document.pres_form.company.value == ''){
alert("The 'Company' field is empty! Please correct it!")
document.pres_form.company.focus()
return false
}

if (document.pres_form.email.value == ''){
alert("The 'Email address' field is empty! Please correct it!")
document.pres_form.email.focus()
return false
}

if (document.pres_form.qc.value == ''){
alert("The 'Questions or Comments' field is empty! Please correct it!")
document.pres_form.qc.focus()
return false
}




   
}