there is two way: 1: $ ( "a.interested" ). fancybox ({ 'width' : 400 , 'height' : 400 , 'enableEscapeButton' : false , 'overlayShow' : true , 'overlayOpacity' : 0 , 'hideOnOverlayClick' : false , 'type' : 'iframe' , 'href' : "/components/profile/buyer/regbuyer1.php" //or any other url that contains the contents of that iframe }); 2: $ ( "a.interested" ). click ( function (){ $ . ajax : { type : "POST" ...