Hey I know its been asked before but those forums don't have the answer as per my code!

<a href=#  class=button dark

                   value=Register 

                   onclick=return regformhash(this.form,

                                   this.form.username,

                                   this.form.email,

                                   this.form.password,

                                   this.form.confirmpwd); >Register</a> 

In the code above it gives me an error Uncaught SyntaxError:

Unexpected token ILLEGAL in thw chrome console.

It works perfectly using input type= button but in that case the predefined styles dark button don't work. I don't want to mess with the CSS so could anyone tell me how to fix this?

P.S. No the quotes don't have a problem, any help would be appreciated! Thanks.

UPDATE: the form code as well:

<form action=<?php echo esc_url($_SERVER['PHP_SELF']); ?> 

                method=post 

                name=registration_form>

                First name: (required)<input type=text name=firstname/>

                <br>

                Last name: (required) <input type=text name=lastname/>

                <br>

                Company: <input type=text name=company />

                <br>

                Contact number: <input type=text name=contact />

                <br>

                Username: <input type='text' 

                name='username' 

                id='username' /><br>

                Email: <input type=text name=email id=email /><br>

                <br>

                Password: <input type=password

                             name=password 

                             id=password/><br>

                <br>

                Confirm password: <input type=password 

                                     name=confirmpwd 

                                     id=confirmpwd /><br>

            <a href=javascript:regformhash(this.form,

                                   this.form.username,

                                   this.form.email,

                                   this.form.password,

                                   this.form.confirmpwd);  class=button dark

                   value=Register 

                   >Register</a> 

        </form>