Set cookie - jquery modal Confirm dialogue

Question

This jquery_modal_confirm_dialogue is working after many experiments. When our visitors agree to our Terms of Use, they are redirected to the product page products.html

I desperately need to set a cookie. - if they do not agree, when they attempt to visit products.html, this is not visible and displays the modal dialogue again

Could you please give me a hint? (jquery 1.3.2.min.js)

This is my jqmodal.js

function confirm(msg,callback) {
  $('#confirm')
    .jqmShow()
    .find('p.jqmConfirmMsg')
      .html(msg)
    .end()
    .find(':submit:visible')
      .click(function(){
        if(this.value == 'yes')
          (typeof callback == 'string') ?
            window.location.href = callback :
            callback();
        $('#confirm').jqmHide();
      });
}


$().ready(function() {
  $('#confirm').jqm({overlay: 88, modal: true, trigger: false});

  // trigger a confirm whenever links of class alert are pressed.
  $('a.confirm').click(function() { 
    confirm('About to visit: '+this.href+' !',this.href); 
    return false;
  });
});// JavaScript Document

This is my index.html:

 <a href="http://products.html/" class="confirm">Products</a> 

    <div class="jqmConfirm" id="confirm">

    <div id="ex3b" class="jqmConfirmWindow">
        <div class="jqmConfirmTitle clearfix">
            <h1>Terms of Use</h1>
        </div>

        <div class="jqmConfirmContent">
        <p class="jqmConfirmMsg"></p>
            <p>Important legal information</p></div>

        <input type="submit" value="Decline" />
        <input type="submit" value="Proceed" />
        </div>
    </div>

Answer 1

It works, finally! I was missing the callback when the cookie exists and these tics '' around the value of the cookie. Here is how it looks like. Please, let me know if there is some obvious mistake. (many thanks for your support)

function confirm(msg,callback) {
  $('#confirm')
    .jqmShow()
    .find('p.jqmConfirmMsg')
      .html(msg)
    .end()
    .find(':submit:visible')
      .click(function(){
        if(this.value == 'Proceed'){
           $.cookie("agreed_to_terms", '1', { expires : 1, path: '/' }); //set cookie, expires in 365 days
           (typeof callback == 'string') ?
            window.location.href = callback :
            callback();
        }
        $('#confirm').jqmHide();
      });
}


$().ready(function() {
  $('#confirm').jqm({overlay: 88, modal: 'true', trigger: false});

  // trigger a confirm whenever links of class alert are pressed.
  $('a.confirm').click(function() { 
    if ($.cookie('agreed_to_terms') == '1'){window.location.href = callback =
            callback()
       //they already have cookie set
    }else{
       confirm('About to visit: '+this.href+' !',this.href); 
    }
    return false;
  });
});// JavaScript Document