I’d like to do this simply without saving the starting value of the select in an object.
if i have (when i load the dom):
<select>
<option value='1' selected>one</option>
<option value='2' >Two</option>
and than i later change the selection so that another option is selected, is there some kind of property that stores the value of the option that was originally selected?
You should use the defaultSelected property of the options object to test if it was selected by default.
http://www.javascriptkit.com/jsref/select.shtml