No funciona un javascriptscript el Chrome.

[Jutsami]

Gracias por la respuesta, he depurado como me has indicado y estoy más liado todavía, me sale esto:

Unsafe JavaScript attempt to access frame with URL http://www.foroalarmas.es/ from frame with URL http://googleads.g.doubleclick.net/pagead/ads?client=ca-pub-3134710773948402&output=html&h=280&slotname=427580 4802&w=336&lmt=1329814963&flash=11.1.102&url=http% 3A%2F%2Fwww.foroalarmas.es%2F&dt=1329917995012&bpp =4&shv=r20120208&jsv=r20110914&prev_slotnames=6021 895789&correlator=1329917995216&frm=20&adk=2103464 045&ga_vid=131498700.1329917995&ga_sid=1329917995& ga_hid=575011877&ga_fc=0&u_tz=60&u_his=5&u_java=1& u_h=1080&u_w=1920&u_ah=1040&u_aw=1920&u_cd=32&u_np lug=16&u_nmime=64&dff=trebuchet%20ms&dfs=14&adx=68 9&ady=1457&biw=1903&bih=979&oid=3&fu=0&ifi=2&dtd=2 59&xpc=8rJQ0gm7aM&p=http%3A//www.foroalarmas.es.

Domains, protocols and ports must match.
Resource interpreted as Image but transferred with MIME type text/html: "http://www.foroalarmas.es/imageverify.php".
Resource interpreted as Script but transferred with MIME type text/html: "http://www.foroalarmas.es/js/validate_editor.js.php".
9
http://www.foroalarmas.es/:1Uncaught TypeError: Object #<HTMLIFrameElement> has no method 'return_message'