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Help with form validation with gen_validatorv2.js (desperate)

P: n/a
I have the following code

<html>
<head>
<title>Untitled Document</title>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<script language="JavaScript" src="..\include\gen_validatorv2.js"
type="text/javascript"></script>
</head>

<body bgcolor="#FFFFFF" text="#000000">
<form action="" method="post" name="myform" >
<table width="255" border="0" cellpadding="0" cellspacing="0">
<tr>
<td width="10" height="10"></td>
<td width="100"></td>
<td width="80"></td>
<td width="5"></td>
<td width="15"></td>
<td width="45"></td>
</tr>
<tr>
<td height="28"></td>
<td valign="top" colspan="4">email:
<input type="text" name="email">
</td>
<td></td>
</tr>
<tr>
<td height="17"></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td height="28"></td>
<td valign="top" colspan="2">email2:
<input type="text" name="email2">
</td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td height="17"></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
<tr>
<td height="20"></td>
<td></td>
<td colspan="2" valign="top">
<input type="submit" name="Submit" value="Submit">
</td>
<td></td>
<td></td>
</tr>
<tr>
<td height="17"></td>
<td></td>
<td></td>
<td></td>
<td></td>
<td></td>
</tr>
</table>
<SCRIPT language="JavaScript">
var frmvalidator = new Validator("myform");
frmvalidator.setAddnlValidationFunction("DoCustomV alidation");
frmvalidator.addValidation("email","req");
frmvalidator.addValidation("email","email");
frmvalidator.addValidation("email2","req");
frmvalidator.addValidation("email2","email");
</script>
</form>
</body>
</html>

and the file gen_validatorv2.js contains

/*
-------------------------------------------------------------------------
JavaScript Form Validator
Version 2.0.2
Copyright 2003 JavaScript-coder.com. All rights reserved.
You use this script in your Web pages, provided these opening credit
lines are kept intact.
The Form validation script is distributed free from JavaScript-Coder.com

You may please add a link to JavaScript-Coder.com,
making it easy for others to find this script.
Checkout the Give a link and Get a link page:
http://www.javascript-coder.com/links/how-to-link.php

You may not reprint or redistribute this code without permission from
JavaScript-Coder.com.

JavaScript Coder
It precisely codes what you imagine!
Grab your copy here:
http://www.javascript-coder.com/
------------------------------------------------------------------------
-
*/
function DoCustomValidation()
{
var frm = document.forms["myform"];
if(frm.email.value != frm.email2.value)
{
alert('The Email and verified Email does not match!');
return false;
}
else
{
return true;
}
}

function Validator(frmname)
{
this.formobj=document.forms[frmname];
if(!this.formobj)
{
alert("BUG: couldnot get Form object "+frmname);
return;
}
if(this.formobj.onsubmit)
{
this.formobj.old_onsubmit = this.formobj.onsubmit;
this.formobj.onsubmit=null;
}
else
{
this.formobj.old_onsubmit = null;
}
this.formobj.onsubmit=form_submit_handler;
this.addValidation = add_validation;
this.setAddnlValidationFunction=set_addnl_vfunctio n;
this.clearAllValidations = clear_all_validations;
}
function set_addnl_vfunction(functionname)
{
this.formobj.addnlvalidation = functionname;
}
function clear_all_validations()
{
for(var itr=0;itr < this.formobj.elements.length;itr++)
{
this.formobj.elements[itr].validationset = null;
}
}
function form_submit_handler()
{
for(var itr=0;itr < this.elements.length;itr++)
{
if(this.elements[itr].validationset &&
!this.elements[itr].validationset.validate())
{
return false;
}
}
if(this.addnlvalidation)
{
str =" var ret = "+this.addnlvalidation+"()";
eval(str);
if(!ret) return ret;
}
return true;
}
function add_validation(itemname,descriptor,errstr)
{
if(!this.formobj)
{
alert("BUG: the form object is not set properly");
return;
}//if
var itemobj = this.formobj[itemname];
if(!itemobj)
{
alert("BUG: Couldnot get the input object named: "+itemname);
return;
}
if(!itemobj.validationset)
{
itemobj.validationset = new ValidationSet(itemobj);
}
itemobj.validationset.add(descriptor,errstr);
}
function ValidationDesc(inputitem,desc,error)
{
this.desc=desc;
this.error=error;
this.itemobj = inputitem;
this.validate=vdesc_validate;
}
function vdesc_validate()
{
if(!V2validateData(this.desc,this.itemobj,this.err or))
{
this.itemobj.focus();
return false;
}
return true;
}
function ValidationSet(inputitem)
{
this.vSet=new Array();
this.add= add_validationdesc;
this.validate= vset_validate;
this.itemobj = inputitem;
}
function add_validationdesc(desc,error)
{
this.vSet[this.vSet.length]=
new ValidationDesc(this.itemobj,desc,error);
}
function vset_validate()
{
for(var itr=0;itr<this.vSet.length;itr++)
{
if(!this.vSet[itr].validate())
{
return false;
}
}
return true;
}
function validateEmailv2(email)
{
// a very simple email validation checking.
// you can add more complex email checking if it helps
if(email.length <= 0)
{
return true;
}
var splitted = email.match("^(.+)@(.+)$");
if(splitted == null) return false;
if(splitted[1] != null )
{
var regexp_user=/^\"?[\w-_\.]*\"?$/;
if(splitted[1].match(regexp_user) == null) return false;
}
if(splitted[2] != null)
{
var regexp_domain=/^[\w-\.]*\.[A-Za-z]{2,4}$/;
if(splitted[2].match(regexp_domain) == null)
{
var regexp_ip =/^\[\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\]$/;
if(splitted[2].match(regexp_ip) == null) return false;
}// if
return true;
}
return false;
}
function V2validateData(strValidateStr,objValue,strError)
{
var epos = strValidateStr.search("=");
var command = "";
var cmdvalue = "";
if(epos >= 0)
{
command = strValidateStr.substring(0,epos);
cmdvalue = strValidateStr.substr(epos+1);
}
else
{
command = strValidateStr;
}
switch(command)
{
case "req":
case "required":
{
if(eval(objValue.value.length) == 0)
{
if(!strError || strError.length ==0)
{
strError = objValue.name + " : Required Field";
}//if
alert(strError);
return false;
}//if
break;
}//case required
case "maxlength":
case "maxlen":
{
if(eval(objValue.value.length) > eval(cmdvalue))
{
if(!strError || strError.length ==0)
{
strError = objValue.name + " : "+cmdvalue+" characters
maximum ";
}//if
alert(strError + "\n[Current length = " +
objValue.value.length + " ]");
return false;
}//if
break;
}//case maxlen
case "minlength":
case "minlen":
{
if(eval(objValue.value.length) < eval(cmdvalue))
{
if(!strError || strError.length ==0)
{
strError = objValue.name + " : " + cmdvalue + " characters
minimum ";
}//if
alert(strError + "\n[Current length = " +
objValue.value.length + " ]");
return false;
}//if
break;
}//case minlen
case "alnum":
case "alphanumeric":
{
var charpos = objValue.value.search("[^A-Za-z0-9]");
if(objValue.value.length > 0 && charpos >= 0)
{
if(!strError || strError.length ==0)
{
strError = objValue.name+": Only alpha-numeric characters
allowed ";
}//if
alert(strError + "\n [Error character position " +
eval(charpos+1)+"]");
return false;
}//if
break;
}//case alphanumeric
case "num":
case "numeric":
{
var charpos = objValue.value.search("[^0-9]");
if(objValue.value.length > 0 && charpos >= 0)
{
if(!strError || strError.length ==0)
{
strError = objValue.name+": Only digits allowed ";
}//if
alert(strError + "\n [Error character position " +
eval(charpos+1)+"]");
return false;
}//if
break;
}//numeric
case "alphabetic":
case "alpha":
{
var charpos = objValue.value.search("[^A-Za-z]");
if(objValue.value.length > 0 && charpos >= 0)
{
if(!strError || strError.length ==0)
{
strError = objValue.name+": Only alphabetic characters
allowed ";
}//if
alert(strError + "\n [Error character position " +
eval(charpos+1)+"]");
return false;
}//if
break;
}//alpha
case "alnumhyphen":
{
var charpos = objValue.value.search("[^A-Za-z0-9\-_]");
if(objValue.value.length > 0 && charpos >= 0)
{
if(!strError || strError.length ==0)
{
strError = objValue.name+": characters allowed are
A-Z,a-z,0-9,- and _";
}//if
alert(strError + "\n [Error character position " +
eval(charpos+1)+"]");
return false;
}//if
break;
}
case "email":
{
if(!validateEmailv2(objValue.value))
{
if(!strError || strError.length ==0)
{
strError = objValue.name+": Enter a valid Email address
";
}//if
alert(strError);
return false;
}//if
break;
}//case email
case "lt":
case "lessthan":
{
if(isNaN(objValue.value))
{
alert(objValue.name+": Should be a number ");
return false;
}//if
if(eval(objValue.value) >= eval(cmdvalue))
{
if(!strError || strError.length ==0)
{
strError = objValue.name + " : value should be less than "+
cmdvalue;
}//if
alert(strError);
return false;
}//if
break;
}//case lessthan
case "gt":
case "greaterthan":
{
if(isNaN(objValue.value))
{
alert(objValue.name+": Should be a number ");
return false;
}//if
if(eval(objValue.value) <= eval(cmdvalue))
{
if(!strError || strError.length ==0)
{
strError = objValue.name + " : value should be greater than
"+ cmdvalue;
}//if
alert(strError);
return false;
}//if
break;
}//case greaterthan
case "regexp":
{
if(objValue.value.length > 0)
{
if(!objValue.value.match(cmdvalue))
{
if(!strError || strError.length ==0)
{
strError = objValue.name+": Invalid characters found ";
}//if
alert(strError);
return false;
}//if
}
break;
}//case regexp
case "dontselect":
{
if(objValue.selectedIndex == null)
{
alert("BUG: dontselect command for non-select Item");
return false;
}
if(objValue.selectedIndex == eval(cmdvalue))
{
if(!strError || strError.length ==0)
{
strError = objValue.name+": Please Select one option ";
}//if
alert(strError);
return false;
}
break;
}//case dontselect
}//switch
return true;
}
/*
Copyright 2003 JavaScript-coder.com. All rights reserved.
*/

The problem is that I get the following error Line:70 Error: Object
expected.

I have tryed always for this to work and looked through google but to no
vail Please can someone help.


Apr 20 '06 #1
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2 Replies


P: n/a

this one wrote:
I have the following code <script language="JavaScript" src="..\include\gen_validatorv2.js"
type="text/javascript"></script>
Use forward slashes '/' in the path.

Change all instance of
<SCRIPT language="JavaScript">


to

<SCRIPT type="text/javascript">

--
S.C.

Apr 20 '06 #2

P: n/a
JRS: In article <Ob******************@newsfe5-gui.ntli.net>, dated Thu,
20 Apr 2006 14:49:18 remote, seen in news:comp.lang.javascript, this one
<an**@hotmail.com> posted :
JavaScript Form Validator
Version 2.0.2
Copyright 2003 JavaScript-coder.com. All rights reserved.
You use this script in your Web pages, provided these opening credit
lines are kept intact.
The Form validation script is distributed free from JavaScript-Coder.com

You may please add a link to JavaScript-Coder.com,
making it easy for others to find this script.
Checkout the Give a link and Get a link page:
http://www.javascript-coder.com/links/how-to-link.php

You may not reprint or redistribute this code without permission from
JavaScript-Coder.com.


Did you obtain that permission?

--
John Stockton, Surrey, UK. ?@merlyn.demon.co.uk Turnpike v4.00 IE 4
<URL:http://www.jibbering.com/faq/> JL/RC: FAQ of news:comp.lang.javascript
<URL:http://www.merlyn.demon.co.uk/js-index.htm> jscr maths, dates, sources.
<URL:http://www.merlyn.demon.co.uk/> TP/BP/Delphi/jscr/&c, FAQ items, links.
Apr 20 '06 #3

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