function validate_required(field,alerttxt)
{
with (field)
  {
  if (value==null||value=="")
    {
    alert(alerttxt);return false;
    }
  else
    {
    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(){
	var Phone=document.frmSample.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 a Valid Phone Number")
		Phone.value=""
		Phone.focus()
		return false
	}
	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 validate_form(thisform)
{
with (thisform)
  {
  if (validate_email(email,"Not a valid e-mail address!")==false)
    {email.focus();return false;}
  }
with (thisform)
  {
  if (validate_required(zipcode,"Zipcode must be filled out!")==false)
  {zipcode.focus();return false;}
  }
  
 }

function checkForm17(thisform)
{
with (thisform)
  {
  if (validate_required(name,"Please enter your name!")==false)
  {name.focus();return false;}
  }
   
   with (thisform)
   {
  if (validate_email(email,"Not a valid e-mail address!")==false)
    {email.focus();return false;}
  }
  
  with (thisform)
  
   with (thisform)
  {
   
   if ((phone.value==null)||(phone.value=="")){
		alert("Please Enter your Phone Number")
		phone.focus()
		return false
	}
	if (checkInternationalPhone(phone.value)==false){
		alert("Please Enter a Valid Phone Number")
		phone.value=""
		phone.focus()
		return false
	}
  }
  
  with (thisform)
  {
  if (validate_required(comment,"Please enter your comment!")==false)
  {comment.focus();return false;}
  }
  
    
  
}



function brochure(thisform)
{
with (thisform)
  {
  if (validate_required(fname,"Please enter your first name!")==false)
  {fname.focus();return false;}
  }
  
   with (thisform)
  {
  if (validate_required(lname,"Please enter your last name!")==false)
  {lname.focus();return false;}
  }

   with (thisform)
   {
  if (validate_email(email,"Not a valid e-mail address!")==false)
    {email.focus();return false;}
  }
  
  with (thisform)
  
   with (thisform)
  {
   
   if ((phone.value==null)||(phone.value=="")){
		alert("Please Enter your Phone Number")
		phone.focus()
		return false
	}
	if (checkInternationalPhone(phone.value)==false){
		alert("Please Enter a Valid Phone Number")
		phone.value=""
		phone.focus()
		return false
	}
  }
  
  with (thisform)
  {
  if (validate_required(comment,"Please enter your comment!")==false)
  {comment.focus();return false;}
  }
  
    
  
}