var newDefs = new Object;
//newDefs.overimg = "redarrow.gif";
//newDefs.outimg = "noredarrow.gif";
newDefs.background = "#CCCC99";
newDefs.border = "#000000";
//newDefs.useclass = "menu2text";
newDefs.timeout = 1000;
newDefs.titlebackground ="#CCCC99";
newDefs.pause = 100;
flyDefs (newDefs);

//Light Waves     
makeLayer ("light", "Light Waves=../Light/index.htm",
    " introduction=../Light/index.htm",
    " history=../Light/history.htm",
    " definition of light=../Light/light1.htm",
    " electromagnetic waves=../Light/light2.htm",
    " ray optics=../Light/light3.htm",  
    " experiments=../Light/lexperiments.htm",
    " quiz=../Light/quiz.htm"
   );