// JScript File

function validateEmail(sender, args){
    if(args.Value.length > 0)
    {   
        var ex = /^([a-zA-Z0-9_.+-])+@([a-zA-Z0-9_.-])+\.([a-zA-Z])+([a-zA-Z])+/;   
        var re = new RegExp(ex );   
        if(re.exec(args.Value))   
        {       
            args.IsValid = true;   
        }   
        else   
        {   
            sender.errormessage= " *";       
            sender.innerHTML= sender.errormessage;       
            args.IsValid = false;   
        }   
    }   
    else
    {   
        sender.errormessage= " *";   
        sender.innerHTML= sender.errormessage;   
        args.IsValid = false;
    }
}