function CheckSUForm(f, suffix) {
	var fname = "first_name" + suffix;
	var fld = document.getElementById(fname);
	if (fld.value == "") {
		alert("Please enter your First Name");
		fld.focus();
		return false;
	}

	var fname = "last_name" + suffix;
	var fld = document.getElementById(fname);
	if (fld.value == "") {
		alert("Please enter your Last Name");
		fld.focus();
		return false;
	}
	
	var fname = "email" + suffix;
	var fld = document.getElementById(fname);
	if (fld.value == "") {
		alert("Please enter your email address.");
		fld.focus();
		return false;
	}
	
	var fname = "company" + suffix;
	var fld = document.getElementById(fname);
	if (fld.value == "") {
		alert("Please enter your Company name.");
		fld.focus();
		return false;
	}

	var fname = "phone" + suffix;
	var fld = document.getElementById(fname);
	if (fld.value == "") {
		alert("Please enter your Phone");
		fld.focus();
		return false;
	}
	
	var fname = "city" + suffix;
	var fld = document.getElementById(fname);
	if (fld.value == "") {
		alert("Please enter your City");
		fld.focus();
		return false;
	}
	
	var fname = "state" + suffix;
	var fld = document.getElementById(fname);
	if (fld.value == "") {
		alert("Please enter your State or Province");
		fld.focus();
		return false;
	}
	
	var fname = "antispam" + suffix;
	var fld = document.getElementById(fname);
	var sendValue = fld.value.toLowerCase();
	if (sendValue != "dnes") {
		alert("Please prove you are human by filling out the last field.");
		fld.focus();
		return false;
	}

	return true;
}