Assign Javascript Variable to PHP

[Jazzo]

I have a javascript variable that I need to pass to a php variable. Since PHP is server-side, I figured the only way to send the js variable is to refresh. However, I don't want to reload the page. How can I send a javascript variable to php on the same page without reloading? For example, I want to assign the js variable "com" to the PHP variable "$com".

Thanks,
Jazzo

P.S. So far, I've defined my Ajax request as such:

req = (function () {
  if (window.XMLHttpRequest) {
    return new XMLHttpRequest();
  }
  else if (window.ActiveXObject) {
    return new ActiveXObject("Microsoft.XMLHTTP");
  }
  else {
    return null;
  }
}());

[tfit]

Your code is not enough to request anything from the server let alone doing something useful when you get a response. How are you passing/handling the variables. I guess you're going to use a form. You can pass values to the server either with get/post and php will receive it in $_GET/$_Post variable. Try to get a xmlhttprequest structure which you can make your own. Everytime I see how others make them and I go or . If you get that, much is already done. And afterwards you need some understanding of DOM.

[alacka]

On one site has found a good script can help you: Passing Javascript variable to php