function popup_rules() {
	window.open('rules','','toolbar=0,scrollbars=1,location=0,statusbar=0,menubar=0,resizable=1,width=640,height=580');
	return false;
}

function verify_form() {
	var n = true;
	
	if (field_error("form[first_name]", "Please enter your first name.") ||
			field_error("form[last_name]", "Please enter your last name.") ||
			field_error("form[email]", "Please enter your email address.") ||
			field_error("form[phone1]", "Please enter your phone number.") ||
			field_error("form[phone2]", "Please enter your phone number.") ||
			field_error("form[phone3]", "Please enter your phone number.") ||
			field_error("form[state]", "Please enter your state.") ||
			field_error("form[zip]", "Please enter your zipcode.") ||
			field_error("form[birth_month]", "Please enter your date of birth.") ||
			field_error("form[birth_day]", "Please enter your date of birth.") ||
			field_error("form[birth_year]", "Please enter your date of birth.")) {
		n = false;
	} else if (!isEmail(getEl("form[email]").value)) {
		n = false;
		alert("Invalid email address.");
	}
	
	return n;
}

function getEl(n){var e=document.getElementById(n);if(e==null){e=document.getElementsByName(n);e=(e.length>0?e[0]:null)}return e}function field_error(i,m){var r=false,f=getEl(i);if(f!=null&&((f.type=="text"&&f.value=="")||(f.type=="radio"&&!f.checked))){alert(m);f.focus();r=true}return r}function isNumber(e){var c,n=/\d/;if(window.event){c=e.keyCode}else if(e.which){c=e.which}else{return true}return n.test(String.fromCharCode(c))||c==8}function isEmail(s){var p=s.indexOf(".");return(p>0&&p<(s.length-2))&&(s.indexOf("@")>0)}