The Markers on http://gmapschunker.sourceforge.net/sample/index.html aren't clickable (tested under IE & Firefox. When clicking a marker, Firebug states the following javascript error:
d.control.ob is not a function
main.js(line 470):
o.prototype.ol=function(a){var b=this.Rb;this.ui=a;for(var c=0;c<m(b);++c){var d=b[c];if(d.control.ob()){a(d.element)}}};
I also tested it on my own lamp-server by installing gmapschunker 0.9 from the download sections, and it it gave the same error (so it's not just your online sample).
Regards,
Rene (rene@houkema.net)
Same thing. Now the error is d.control.allowSetVisibility is not a function