Natuurkunde index <body onload="FP_preloadImgs(/*url*/'Images/tree/button55.gif',/*url*/'Images/tree/button56.gif')"> <p><a href="Inhoud_appl.htm"> <img style="border: 0" id="img1" src="Images/tree/button54.gif" height="20" width="100" alt="Applets" onmouseover="FP_swapImg(1,0,/*id*/'img1',/*url*/'Images/tree/button55.gif')" onmouseout="FP_swapImg(0,0,/*id*/'img1',/*url*/'Images/tree/button54.gif')" onmousedown="FP_swapImg(1,0,/*id*/'img1',/*url*/'Images/tree/button56.gif')" onmouseup="FP_swapImg(0,0,/*id*/'img1',/*url*/'Images/tree/button55.gif')" fp-style="fp-btn: Metal Rectangle 1; fp-transparent: 1" fp-title="Applets"></a>Deze pagina maakt gebruik van frames. Uw browser ondersteunt echter geen frames.</p> </body>