function validate_required(field) {
	with (field){
		if (value==null||value=="") {
			return false;
		}
		else {
			return true;
		}
	}
}

function validate_form(thisform) {
	with (thisform) {
		if (validate_required(company)==false) {
			alert("\"Company\" must be filled out.");
			company.focus();
			return false;
		}
		else if (validate_required(firstname)==false) {
			alert("\"First Name\" must be filled out.");
			firstname.focus();
			return false;
		}
		else if (validate_required(lastname)==false) {
			alert("\"Last Name\" must be filled out.");
			lastname.focus();
			return false;
		}
		else if (validate_required(address)==false) {
			alert("\"Address\" must be filled out.");
			address.focus();
			return false;
		}
		else if (validate_required(citystate)==false) {
			alert("\"City and State\" must be filled out.");
			citystate.focus();
			return false;
		}
		else if (validate_required(phone)==false) {
			alert("\"Phone Number\" must be filled out.");
			phone.focus();
			return false;
		}
	}
}
// Radio Button Validation
// copyright Stephen Chapman, 15th Nov 2004,14th Sep 2005
// you may copy this function but please keep the copyright notice with it
function valButton(btn) {
var cnt = -1;
for (var i=btn.length-1; i > -1; i--) {
   if (btn[i].checked) {cnt = i; i = -1;}
   }
	if (cnt > -1) return btn[cnt].value;
	else return null;
}
function valForm(form) {
var btn = valButton(form.group1);
	if (btn == null) alert('No payment method selected');
}