looks decent... try removing 'document.' ? --- In [email protected], "derguteonkeldod" <[EMAIL PROTECTED]> wrote: > Hello, > > I want to manipulate the value of a HTML form by Javascript. > I got this error message: 'document.SVGdata.elements is Null or no > object'. I really don't know why. > BTW: the HTML code is embedded in a portlet (Jetspeed2 Portal). Maybe > this could help finding a solution. > > > That's the Javascript function: > > function onclickFunction(evt) > { > seat = evt.getTarget(); > document.SVGdata.elements['SeatNr'].value=seat.getAttribute ("id");document.SVGdata.submit(); > } > (I also tried 'document.SVGdata.SeatNr.value', > 'document.forms['SVGdata'}.elements['SeatNr'].value') > > ...and that's the HTML code: > > <form name="SVGdata" id="SVGdata" method="POST" > action="http://localhost:8080/";> > <input type="hidden" name="SeatNr" value=""> > </form> > <embed src="http://localhost:8080/HelloWorld/Test.svg"; > type="image/svg-xml" width="100px" height="100px"/>
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![http://localhost:8080/HelloWorld/Test.svg"](http://localhost:8080/HelloWorld/Test.svg"){kind=link}