$(document).ready(function(){
    $('#captcha').click(function(){
        this.src="lib/captcha/index.php?idSeed="+(Math.random()*10);
    }).css('cursor','pointer');

    var opt={
        rules: {
            company: {
                required:true
            },
            address: {
                required:true
            },
            city: {
                required:true
            },
            main_contact   : {
                required:true
            },
            phone    : {
                required:true
            },
            email     : {
                required:true,
                email:true
            },
            description: {
                required:true
            },
            captchaTxt:{
                required: true,
                remote: 'lib/captcha/validate.php?action=ajax'
            }
        },
        messages: {
            company: {
                required:"is Required"
            },
            address: {
                required:"is Required"
            },
            city: {
                required:"is Required"
            },
            main_contact   : {
                required:"is Required"
            },
            phone    : {
                required:"is Required"
            },
            email       : {
                required:"is Required",
                email:"must be a email (mail@server.com)"
            },
            description  : {
                required:"is Required"
            },
            captchaTxt: "Not match with image"
        }
    }
   $('#contact-formulary').validate(opt);
});