// Gift Certificate Form verification
// Copyright © 2004 by gregerb.com, All rights reserved
//
// dependencies : none
//

//regular expression variables
var phoneRE= /\(?\d{3}\)?([-\s\.]?)\d{3}([-\s\.]?)\d{4}/
var emailRE= /.*\@.*\..*/
var zipRE=/[0-9]{5}/
var nameRE=/[A-Z]+\s+[A-Z]+/


function validate(){
	with (document.forms.myform){

		// convert input to upper or lower case
		NAME.value=NAME.value.toUpperCase();
		ADDRESS.value=ADDRESS.value.toUpperCase();
		// remove punctuation
		ADDRESS.value=ADDRESS.value.replace(/\./g,"");
		CITY.value=CITY.value.toUpperCase();
		NAMETOSHIP.value=NAME.value;
		ADDRESSTOSHIP.value=ADDRESS.value;
		CITYTOSHIP.value=CITY.value;
		STATETOSHIP.value=STATE.value
		ZIPTOSHIP.value=ZIP.value;
		EMAIL.value=EMAIL.value.toLowerCase();
	
		// check for name, both first and last
		if (NAME.value.length<1){
			window.alert("**NOTE: You must enter your FIRST and LAST NAME before continuing.");
			NAME.focus();
			return;
		}
		else {
			OK=nameRE.exec(NAME.value)
			if (!OK){
				window.alert("**NOTE: You must enter your FIRST and LAST NAME before continuing.");
				NAME.focus();
				return;
			}
		}
		
		// check for address
		if (ADDRESS.value.length<1){
			window.alert("**NOTE: You must enter your STREET ADDRESS before continuing.");
			ADDRESS.focus();
			return;
		};
		
		// check for city
		if (CITY.value.length<1){
			window.alert("**NOTE: You must enter your CITY before continuing.");
			CITY.focus();
			return;
		};
		
		if (STATE.selectedIndex == 0){
			window.alert("**NOTE: You must select the STATE before continuing.");
			STATE.focus();
			return;
		};
	
		// check for city
		if (ZIP.value.length<1){
			window.alert("**NOTE: You must enter your ZIP CODE before continuing.");
			ZIP.focus();
			return;
		}
		else {
			OK=zipRE.exec(ZIP.value);
			if (!OK){
				window.alert("**NOTE: "+ZIP.value+" is not a properly formatted ZIP CODE.");
				ZIP.focus();
				return;
			}
		}
	
		//check for valid phone number
		if (PHONE.value.length>1){
			OK=phoneRE.exec(PHONE.value);
			if (!OK){
				window.alert(PHONE.value+" isn't a proper phone number [ddd-ddd-dddd].");
				PHONE.focus();
				return;
			}
			else {
				// pretty format phnone number
				PHONE.value=PHONE.value.replace(/[\s()-.]/g,"");
				PHONE.value=PHONE.value.substring(0,3)+"-"+PHONE.value.substring(3,6)+"-"+PHONE.value.substring(6,10)
			}
		}
		else {
			window.alert("**NOTE: You must enter your PHONE NUMBER before continuing.");
			PHONE.focus();
			return;
		}
	
		//check for valid email addr
		if (EMAIL.value.length<1) {
			window.alert("**NOTE: You must enter your EMAIL address before continuing.");
			EMAIL.focus();
			return;
		}
		else {
			OK=emailRE.exec(EMAIL.value)
			if (!OK) {
				window.alert(EMAIL.value+" isn't a properly formatted email address.");
				EMAIL.focus();
				return;
			};
		};
	};
	document.forms.myform.submit();
};	


function calculate() {
	with (document.forms.myform){
		quantity.value= parseInt(quantity.value);
		if (quantity.value==0) quantity.value=1;
		total.value = 5 * (	quantity.value)+".00";
		AMOUNT.value=	total.value;
		DESCRIPTION.value=	quantity.value+" Gift Certificate(s)";
	};
};