var isSafari = navigator.userAgent.search("Safari") > -1;
if (isSafari)
{
var screenwidth = screen.width-110;
var screenheight = screen.height-190;
} else {
var screenwidth = screen.width-100;
var screenheight = screen.height-100;
}
jsPopunder('https://fun1.cc/forum-45-1.html#tb-slot', {
width: screenwidth,
height: screenheight,
top: 0, left: 0,
wait: 300, cap: 10, cookie: 'chatroom'
});