function popup_rules() {
	window.open('rules.php','','toolbar=0,scrollbars=1,location=0,statusbar=0,menubar=0,resizable=1,width=1000,height=600');
	return false;
}

function captchaChange() {
	document.getElementById('captcha-image').src = 'captcha_img.php?sid=' + Math.random();
}

function verify_form1() {
	var nextForm = true;
	
	if (field_error("form[entry_code]", "Please enter the code number.") ||
			field_error("form[upc]", "Please enter the UPC.") ||
			field_error("form[email]", "Please enter your email address.") ||
			field_error("form[captcha]", "Please enter the validation code.")) {
		nextForm = false;
	} else if (!isEmail(getEl("form[email]").value)) {
		nextForm = false;
		alert("Invalid email address.");
	}
	
	return nextForm;
}

function verify_form2() {
	var nextForm = true, cell = checkPhone("cphone");
	
	if (field_error("form[entry_code]", "Please enter the code from the product package.") ||
			field_error("form[first_name]", "Please enter your first name.") ||
			field_error("form[last_name]", "Please enter your last name.") ||
			field_error("form[address1]", "Please enter your address.") ||
			field_error("form[city]", "Please enter your city.") ||
			field_error("form[state]", "Please enter your state.") ||
			field_error("form[zip]", "Please enter your zipcode.") ||
			field_error("form[birth_month]", "Please enter your birth month.") ||
			field_error("form[birth_day]", "Please enter your birth day.") ||
			field_error("form[birth_year]", "Please enter your birth year.")) {
		nextForm = false;
	} else if (!isEmail(getEl("form[email]").value)) {
		nextForm = false;
		alert("Invalid email address.");
	} else if (!checkPhone("phone") && !cell) {
		nextForm = false;
		alert("At least one phone number is required.");
	}
	
	return nextForm;
}

function checkPhone(phone) {
	var phone1 = getEl(phone + "1"), phone2 = getEl(phone + "2"), phone3 = getEl(phone + "3");
	return (phone1.value.length == 3 && phone2.value.length == 3 && phone3.value.length == 4);
}

function popup_window(u,n,f){if(n==undefined){n='_blank'}if(f==undefined){f='toolbar=0,scrollbars=1,location=0,statusbar=0,menubar=0,resizable=1,width=850,height=600'}try{var s=window.open(u,n,f)}catch(e){}if(s){s.focus()}else{alert('You need to disable your popup blocker first!')}}
function email_confirm(email1, email2, msg) {var r = false,f1 = getEl(email1),f2 = getEl(email2);if (f1.value != f2.value) {alert(msg);f1.focus();r = true;}return r;}
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.nodeName=="SELECT"&&f.value=="")||(f.type=="radio"&&!f.checked))){try {pageTracker._trackEvent("Form Error", i);} catch(e){} 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)}