i have code bu ajax like this :
$("document").ready(function (){
$(".open_popup").colorbox({width:"580px", inline:true, href:"#subscribe_popup"});
});
this is pop up box, i need when open page open this pop up, to open this pop up i use this code
<a href="#" class="open_popup">Click here to open the popup</a>
how can open pop-up onload tag on body.