// JavaScript Document

//End earlier version


function validate_required(field,alerttxt)
{
with (field)
{
if (value==null||value=="")
  {alert(alerttxt);return false;}
else {return true}
}
}

function validate_member_type(field, field2, alerttxt)
{
if (field.value=="ORGANIZATION" && field2.value==null)
  {alert(alerttxt);return false;}
else {return true}
}

function validate_email(field,alerttxt)
{
with (field)
{
apos=value.indexOf("@");
dotpos=value.lastIndexOf(".");
if (apos<1||dotpos-apos<2) 
  {alert(alerttxt);return false;}
else {return true;}
}
}

function same_email(field,field2,alerttxt)
{
if (field.value != field2.value) 
  {alert(alerttxt);return false;}
else {return true;}
}

//Validate phone:
// Declaring required variables
var digits = "0123456789";
// non-digit characters which are allowed in phone numbers
var phoneNumberDelimiters = "()- ";
// characters which are allowed in international phone numbers
// (a leading + is OK)
var validWorldPhoneChars = phoneNumberDelimiters + "+";
// Minimum no of digits in an international phone no.
var minDigitsInIPhoneNumber = 10;

function isInteger(s)
{   var i;
    for (i = 0; i < s.length; i++)
    {   
        // Check that current character is number.
        var c = s.charAt(i);
        if (((c < "0") || (c > "9"))) return false;
    }
    // All characters are numbers.
    return true;
}

function stripCharsInBag(s, bag)
{   var i;
    var returnString = "";
    // Search through string's characters one by one.
    // If character is not in bag, append to returnString.
    for (i = 0; i < s.length; i++)
    {   
        // Check that current character isn't whitespace.
        var c = s.charAt(i);
        if (bag.indexOf(c) == -1) returnString += c;
    }
    return returnString;
}

function checkInternationalPhone(strPhone)
{
s=stripCharsInBag(strPhone,validWorldPhoneChars);
return (isInteger(s) && s.length >= minDigitsInIPhoneNumber);
}

function get_radio_value (radio_array, alerttxt)
{
		if ((radio_array[0].checked)|| (radio_array[1].checked))
			{
			  return true;
			}  
		else
	      {
		  alert(alerttxt);
		  return false;
		  }
}
// return the value of the radio button that is checked
// return an alert empty string if none are checked, or
// there are no radio buttons
function getCheckedValue(radioObj) {
	if(!radioObj)
		return "";
	var radioLength = radioObj.length;
	if(radioLength == undefined)
		if(radioObj.checked)
			return radioObj.value;
		else
			return "";
	for(var i = 0; i < radioLength; i++) {
		if(radioObj[i].checked) {
			return radioObj[i].value;
		}
	}
	return "";
}


function validate_form(thisform)
{
//var Phone=document.frmSample.txtPhone
  with (thisform)
	{
		if (validate_required(EMAIL,"Email must be filled out!")==false)
		  {EMAIL.focus();return false;}
		else if (validate_email(EMAIL,"Not a valid e-mail address!")==false)
		  {EMAIL.focus();return false;}
		else if (validate_required(EMAIL2,"Please confirm your email address.!")==false)
		  {EMAIL2.focus();return false;}
		else if (validate_email(EMAIL2,"Not a valid e-mail address!")==false)
		  {EMAIL2.focus();return false;} 
		else if (same_email (EMAIL,EMAIL2,"E-mail addresses do not match!")==false)
		  {EMAIL2.focus();return false;}    
		else if (validate_required(DONOR1,"Please fill out your name!")==false)
		  {DONOR1.focus();return false;}
		else if (validate_required(ADDRESS1,"Please fill out your address!")==false)
		  {ADDRESS1.focus();return false;}   
		else if (validate_required(CITY,"Please fill out your city!")==false)
		  {CITY.focus();return false;}
		else if (validate_required(STATE,"Please fill out your state!")==false)
		  {STATE.focus();return false;}
		else if (validate_required(ZIP,"Please fill out your zip code!")==false)
		  {ZIP.focus();return false;}		  		  		  
		else if (validate_required(PHONE,"Please fill out your phone!")==false)
		  {PHONE.focus();return false;}
		   else if (checkInternationalPhone(PHONE.value)==false)
			{alert("Please Enter a Valid Phone Number");
				PHONE.value="";
				PHONE.focus();
				return false;}
				
	}
}