So I had this issue the other day.. In 2009 some websites still have manual checkboxes.. Yeeks
You want to select all checkboxes on a website and it only allows you to do it manually?:D
Install firefox if you don’t already have it. Install firebug.
NOTE FROM 2016: You can use almost any browser these days since they all seem to have copied the "inspect element" thing from Firebug.
Open firebug..
type the following in the console:
function check_all_in_document(doc){var c = new Array();c = doc.getElementsByTagName('input');for (var i = 0; i < c.length; i++){\tif (c[i].type == 'checkbox')\t{\t\tc[i].checked = true;\t}}}function checkem(){check_all_in_document(window.document);for (var j = 0; j < window.frames.length; j++){\tcheck_all_in_document(window.frames[j].document);}}click run:)
have fun!
checkem();