var expireDate = new Date();
var year = expireDate.getYear(); 
year = (year < 1900) ? year + 1900 : year;
expireDate.setYear(year + 3);

function overAgeRequirement(age)
{

	var targetAgeDate = new Date();
	var eighteenYear = targetAgeDate.getFullYear()-18;
	targetAgeDate.setFullYear(eighteenYear);

	if (age < targetAgeDate) 
	{
		return true;
	}else {
		return false;
	}
};

function checkDate()
{
	var age = new Date();
	
	age.setMonth(document.subscribeForm.birthmonth[document.subscribeForm.birthmonth.selectedIndex].value-1);
	age.setDate(document.subscribeForm.birthday[document.subscribeForm.birthday.selectedIndex].value);
	age.setYear(document.subscribeForm.birthyear[document.subscribeForm.birthyear.selectedIndex].value);
	
	if ((document.subscribeForm.birthday[document.subscribeForm.birthday.selectedIndex].value != 0) && (document.subscribeForm.birthmonth[document.subscribeForm.birthmonth.selectedIndex].value !=0) && (document.subscribeForm.birthyear[document.subscribeForm.birthyear.selectedIndex].value != 0))
	{
		
		if (overAgeRequirement(age)) {
		
			return true;
		} else {
		
		 	return false;
		}
	}
	
};

/////////////////////////////////////////////
//  Checks for whitespace
///////////////////////////////////////////
function isWS(s) {
	return ((s == null) || (s.length == 0));
};

function validate(status) { 
		var errors = '';
		var finalerrors = 'The following fields are required:\n\n';
		var f = document.subscribeForm;
			
		if (isWS(f.name.value))
			 errors += '    - Name\n';
			 
		if (isWS(f.username.value))
			 errors += '    - User Name or Screen Name\n';
		
		if (isWS(f.email.value)) errors += '    - Email\n';
		
		if ((f.birthday[f.birthday.selectedIndex].value == 0) || (f.birthmonth[document.subscribeForm.birthmonth.selectedIndex].value ==0) || (f.birthyear[document.subscribeForm.birthyear.selectedIndex].value == 0)) {
			 errors += '    - Birthday\n';
	    } else {
			if(checkDate()){
				var sAge = f.birthmonth[f.birthmonth.selectedIndex].value;
				sAge += "/" + f.birthday[f.birthday.selectedIndex].value;
				sAge += "/" + f.birthyear[f.birthyear.selectedIndex].value;
		 		f.birthdate.value = sAge;
			} else {
				location.href = f.underageURL.value;
				return false;
			}
		}
		
		if (isWS(f.mailaddr.value))
			 errors += '    - Mailing Address\n';		
		
		if(f.optin_one.checked == true){
			f.share.value = "Y";
		}else{
			f.optin_one.value = "N";
			errors += '    - You must check "I authorize EA to share my email address..."\n';
		}
		
		if(status == "accept"){
        	f.acknowledgment.value = "Y";
		}
		
		if(status == "decline"){
        	f.acknowledgment.value = "N";
			errors += '    - You must click "I Accept" button" to participate\n';
		}
		
		if (f.acknowledgment.value == "no_decision") {
			errors += '    - You must click "I Accept" or "I Decline" button"\n';
		}
		
		if (errors != '') {
			finalerrors += errors;
			alert(finalerrors);
			return false;
		} else{
			return true;
		}
};