///////////////////// DSCRIPTS PRESENTS /////////////////////////////////////

//                                                                         //    

//   This script has been downloaded from http://dscripts.awardspace.com   //

//  ---------------------------------------------------------------------  //

//                                                                         //

//  Script Name: Form Validator                                            //

//  Written on: 25 September 2006                                          //        

//  Written by: Burhan Uddin                                               //        

//                                                                         //      

//  Browse: http://dscripts.awardspace.com for more free scripts.          //

//                                                                         //

/////////////////////////////////////////////////////////////////////////////

<!--



// Deep Email Validation

function emailCheck (emailStr) 

    {

	

	if (emailStr==""){



	return true



	}



        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) 

            {

                // this is an IP address

                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

            }

        if (len<2) 

            {

                

            return false

            }

        return true;

    }