// JavaScript Document

//Form Validation for Form Name: complianceForm1

function numeralsOnly(evt) {
    evt = (evt) ? evt : event;
	var charCode = (evt.charCode) ? evt.charCode : ((evt.keyCode) ? evt.keyCode :
	    ((evt.which) ? evt.which : 0));
	if (charCode > 31 && (charCode < 48 || charCode > 57)) {
	    alert("You may only enter numerals in this field.");
		return false;
	}
	return true;
}

function lettersOnly(evt) {
    evt = (evt) ? evt : event;
    var charCode = (evt.charCode) ? evt.charCode : ((evt.keyCode) ? evt.keyCode : 
        ((evt.which) ? evt.which : 0));
    if (charCode > 32 && (charCode < 65 || charCode > 90) && 
        (charCode < 97 || charCode > 122)) {
        alert("Enter letters only.");
        return false;
    }
    return true;
}

function checkComplianceFields(form) {

	if (form.noMaterials.checked == false && form.noContacts.checked == false) {
		window.alert ('Please mark at least one check box.');
		return false;
	}
    else if ( isBlank(form.firstName.value)) {
        window.alert('Please enter your first name.');
        form.firstName.focus();
        return false;
    }
    else if ( isBlank(form.lastName.value)) {
        window.alert('Please enter your last name.');
        form.lastName.focus();
        return false;
    }
    else if ( !checkEmailAddress(form.emailAddress.value)) {
		form.emailAddress.value = "";
        window.alert('Please enter a valid email address.');
        form.emailAddress.focus();
        return false;
    }
    else if ( isBlank(form.streetAddress1.value)) {
        window.alert('Please enter your street address.');
        form.streetAddress1.focus();
        return false;
    }
    else if ( isBlank(form.city.value)) {
        window.alert('Please enter your city.');
        form.city.focus();
        return false;
    }
    else if ( form.state.value == "") {
        window.alert('Please select a state.');
        form.state.focus();
        return false;
    }
    else if ( isBlank(form.zip.value)) {
        window.alert('Please enter your 5 digit ZIP Code.');
        form.zip.focus();
        return false;
    }
	else if(form.zip.value.length != 5) {
		window.alert("Your ZIP Code must contain 5 digits.");
		form.zip.focus();
		return false;
	}
    else if ( isBlank(form.phoneAreaCode.value)) {
        window.alert('Please enter an area code.');
        form.phoneAreaCode.focus();
        return false;
    }
	else if(form.phoneAreaCode.value.length != 3) {
		window.alert("Your area code must contain 3 digits.");
		form.phoneAreaCode.focus();
		return false;
	}
    else if ( isBlank(form.phonePrefix.value)) {
        window.alert('Please enter your telephone number.');
        form.phonePrefix.focus();
        return false;
    }
	else if(form.phonePrefix.value.length != 3) {
		window.alert("Your phone prefix must contain 3 digits.");
		form.phonePrefix.focus();
		return false;
	}
    else if ( isBlank(form.phoneNumber.value)) {
        window.alert('Please enter your telephone number.');
        form.phoneNumber.focus();
        return false;
    }
	else if(form.phoneNumber.value.length != 4) {
		window.alert("Your phone number must contain 4 digits.");
		form.phoneNumber.focus();
		return false;
	}
	

}

function isBlank(s) {
	for( var i=0;i<s.length;i++ ) {
		var c = s.charAt(i);
		if( (c != ' ') && (c != '\n') && (c != '\t') ) {
			return false;
		}
		return true;
	}
}


function checkEmailAddress( emailStr ) {
    var emailPat=/^(.+)@(.+)$/
    var specialChars="\\(\\)<>@,;:\\\\\\\"\\.\\[\\]"
    var validChars="\[^\\s" + specialChars + "\]"
    var quotedUser="(\"[^\"]*\")"
    var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/
    var atom=validChars + '+'
    var word="(" + atom + "|" + quotedUser + ")"
    var userPat=new RegExp("^" + word + "(\\." + word + ")*$")
    var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$")
    var matchArray=emailStr.match(emailPat)
    if (matchArray==null) {
        return false
    }
    var user=matchArray[1]
    var domain=matchArray[2]
    if (user.match(userPat)==null) {
        return false
    }
    var IPArray=domain.match(ipDomainPat)
    if (IPArray!=null) {
        for (var i=1;i<=4;i++) {
            if (IPArray[i]>255) {
                return false
            }
        }
        return true
    }
    var domainArray=domain.match(domainPat)
    if (domainArray==null) {
        return false
    }
    var atomPat=new RegExp(atom,"g")
    var domArr=domain.match(atomPat)
    var len=domArr.length
    if (domArr[domArr.length-1].length<2 || domArr[domArr.length-1].length>3) {
        return false
    }
    // Make sure there's a host name preceding the domain.
    if (len<2) {
        return false
    }
    return true;
}