javascript - Openlayers add custom div above map -


i'm newbe here. have map (osm) openlayers. tryed add measure tools. i'm using example http://openlayers.org/dev/examples/measure.html need move buttons on map scaleline.

i've tryed code 

document.getelementbyid("map").innerhtml += '<div id="options" style="position: absolute;z-index: 10000;bottom: 0px;left: 100px;"><input type="radio" name="type" value="none" id="nonetoggle" onclick="togglecontrol(this);" checked="checked" /><label for="nonetoggle"> nav</label><input type="radio" name="type" value="line" id="linetoggle" onclick="togglecontrol(this);" /><label for="linetoggle"> measure </label>  <span id="output"></span></div>'

but make map freeze. page map looks 

<html xmlns="http://www.w3.org/1999/xhtml"> <head> ... <meta http-equiv="content-type" content="text/html; charset=utf-8" />  </head> <body> ... <script type="text/javascript" src="/map/lib/openlayers.js"></script> ... </body> </html>

so can't add buttons in #map. how add custom div on map via js?

oh, should used document.createelement("div") instead innerhtml


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