function checkFields() {
	    
	var why = "";
	
	//Credit Card Info
	
	why += checkCCNum('creditcardnum'); 
	why += checkTextField('creditcardholder','Name on the Credit Card','yes');
	why += checkExpDate('creditcardexp_month','creditcardexp_year','Expiration Date');
	
	//General Info
	why += checkTextField('firstname','First Name','yes');
	why += checkTextField('lastname','Last Name','yes');
	why += checkTextField('haddress','Street Address','yes');
	why += checkTextField('haddress2','Street Address 2','no');
	why += checkTextField('hcity','City','yes');
	why += checkZip('hzip','','yes');
	why += checkEmail('email');
	why += checkPhone('dayareacode','dayphone1','dayphone2','Daytime','yes');
	why += checkPhone('eveareacode','evephone1','evephone2','Evening','yes');
	
	
	//quantity must be entered
	why += checkNum('qty','Number of Ticket','yes');
    
    return why;
}