Spaces in url parameters break tabs on IE

For example, if you send a parameter to the official page with spaces on IE you will see that the example at the end of the page doesn't work well.

it works with

http://api.jqueryui.com/tabs/

it doesnt work with

http://api.jqueryui.com/tabs/?algo=azz a a#

On my web, I send the name of the current dashboard, for example:

http://localhost:8080?dashboard=main dashboard#

then, I saw that jquery tabs use something like

http://localhost:8080?dashboard=main dashboard#currenttab

this works on firefox and chrome but IE shows all the tabs content in the first tab.