RODO
function do_resize(){
var width=jQuery( '.wpsm_panel .wpsm_panel-body iframe' ).width();
var height=jQuery( '.wpsm_panel .wpsm_panel-body iframe' ).height();
var toggleSize = true;
jQuery('iframe').animate({
width: toggleSize ? width : 640,
height: toggleSize ? height : 360
}, 250);
toggleSize = !toggleSize;
}