// JavaScript Document
// performs form verification, invoked from the onSubmit() event handler. 
// Loop through the elements of the form, looking for all 
// text and textarea elements that don't have an "optional" property
// defined. Then, check for fields that are empty and make a list of them.
// Put together error messages for invalid fields.
// Writen by Scott Winterbourne June 20th, 2005.

function verify(fields)
{
    var msg;
    var empty_fields = "";
    var errors = "";
	var thePosition;
	var email;
   
	
    for(var i = 0; i < fields.length; i++) 
	{
        var formver = fields.elements[i];
				
		//thePosition=formver.name.indexOf("_");
		//if(-1==thePosition)
		//{
			//thePosition=formver.name.length;
		//}
			
//////////////////////////////////////////////////////////////////////////////////////////////////		
		//Checks for blank required fields
        if (formver.id== 'text') //checks for required fields
		{
            //check if the field is empty
            if ((formver.value == null) || (formver.value == "") || (formver.value == " name") || (formver.value == " phone")) 
			{
                empty_fields += "\n          " + formver.name
                continue;
            }
        }
////////////////////////////////////////////////////////////////////////////////////////////////////	
		// check to see if email address field is of valid syntax 
  
    if (formver.id == 'email')//Checks for an email field
	{
	  substremail = formver.value.split("@")   
      if (substremail.length > 1)//makes sure the email address has an @ symbol   
      {   
          index = substremail[1].indexOf(".") 
		     
           if (index == -1)   //makes sure there is a dot (.) in the address
           { 
		    
           errors = "Please enter a valid e-mail address";               
		   continue; 
           }   
      } 
  
      else 
	  	{  
           errors = "Please enter a valid e-mail address";     
           continue;  
      	}
	  }
	if (formver.id == 'number')//checks for a number field
	 {	 
	 if (IsNumeric(formver.value)==false)//checks for a non numeric value
		{			
			errors = "Please enter a numeric value";
			continue;	
			
		}
		//if (formver.value.length != formverid[1])//checks to see if the value length matches the perameters
		//	{
		//	errors = "Please enter a 5 digit zip code";
		//	continue;
		//	}	
		
	}
	 
}


/////////////////////////////////////////////////////////////////////////////////////////////////////////	
    // if there were any errors, display the messages, and
    // return false to prevent the form from being submitted. 
    
	if (!empty_fields && !errors) return true;
    
	msg  = "______________________________________________________\n\n"
    msg += "The form was not submitted because of the following error(s).\n";
    msg += "Please correct these error(s) and re-submit.\n";
    msg += "______________________________________________________\n\n"
    
	if (empty_fields) 
	{
        msg += "The following required field(s) are empty:"
                + empty_fields + "\n";
        if (errors) msg += "\n";
    }
    	msg += errors;
    	alert(msg);
    	return false;  
	
}
////////////////////////////////////////////////////////////////////////////////////////////////////
// this function is called to check if a value is numberic
function IsNumeric(sText)
{

	   var ValidChars = "0123456789.";
	   var IsNumber=true;
	   var Char;
	
	 
	   for (i = 0; i < sText.length && IsNumber == true; i++) 
		  { 
		  Char = sText.charAt(i); 
		  if (ValidChars.indexOf(Char) == -1) 
			 {
			 IsNumber = false;
			 }
		  }
	   return IsNumber;
}	

function verifyPhoneEmail(theForm) {
var themessage = "You are required to complete the following fields: \n\n";
myOption = -1;
for (i=theForm.contact_by.length-1; i > -1; i--) 
{
	if (theForm.contact_by[i].checked) 
	{
		myOption = i; i = -1;
	}
}

if (myOption == -1) {
themessage = themessage + " -  Contact Me By \n";
}
if(theForm.Name)
{
	if (theForm.Name.value=="") 
	{
		themessage = themessage + " -  Name \n";
	}
}
if(theForm.First_Name)
{
	if (theForm.First_Name.value=="")
	{
		themessage = themessage + " -  First Name \n";
	}
}
if(theForm.Phone){	
	if ((theForm.Phone.value==null)||(theForm.Phone.value==""))
	{
		themessage = themessage + " -  Phone \n";
	}	
}
if (theForm.Email.value=="")
{
	themessage = themessage + " -  Email \n";
}

if(myOption != -1)
{
	if (theForm.Email.value==""&&theForm.Phone.value=="") 
	{
		themessage = themessage + " - "+theForm.contact_by[myOption].value;
	}
}

//alert if fields are empty and cancel form submit
if (themessage != "You are required to complete the following fields: \n\n") {
alert(themessage);
return false;
}
return true;
}


/**
 * DHTML phone number validation script. Courtesy of SmartWebby.com (http://www.smartwebby.com/dhtml/)
 */

// 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 trim(s)
{   var i;
    var returnString = "";
    // Search through string's characters one by one.
    // If character is not a whitespace, append to returnString.
    for (i = 0; i < s.length; i++)
    {   
        // Check that current character isn't whitespace.
        var c = s.charAt(i);
        if (c != " ") returnString += c;
    }
    return returnString;
}
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){
var bracket=3
strPhone=trim(strPhone)
if(strPhone.indexOf("+")>1) return false
if(strPhone.indexOf("-")!=-1)bracket=bracket+1
if(strPhone.indexOf("(")!=-1 && strPhone.indexOf("(")>bracket)return false
var brchr=strPhone.indexOf("(")
if(strPhone.indexOf("(")!=-1 && strPhone.charAt(brchr+2)!=")")return false
if(strPhone.indexOf("(")==-1 && strPhone.indexOf(")")!=-1)return false
s=stripCharsInBag(strPhone,validWorldPhoneChars);
return (isInteger(s) && s.length >= minDigitsInIPhoneNumber);
}


function ValidateForm(frm){
	var Phone=frm.Phone
	
	/* if ((Phone.value==null)||(Phone.value=="")){
		alert("Please Enter your Phone Number")
		Phone.focus()
		return false
	} */
	if (checkInternationalPhone(Phone.value)==false){
		alert("Please enter phone number.")
		Phone.value=""
		Phone.focus()
		return false
	}
	return true
 }