function initialize() {
var coneStr = 'Shape { geometry Cone { ';
var apprStr = 'Appearance { material Material {} }';
var trnsStr = 'Transform {}';
var coneL = new SFNode ( coneStr + 'height 3 }}' );
var coneR = new SFNode ( coneStr + '}}' );
var appr = new SFNode ( apprStr );
appr.material.diffuseColor = red;
coneL.appearance = appr;
coneR.appearance = appr;
var trnsLt = new SFNode ( trnsStr );
var trnsRt = new SFNode ( trnsStr );
trnsLt.translation = left;
trnsRt.translation = right;
trnsLt.children[0] = coneL;
trnsRt.children[0] = coneR;
children[0] = trnsLt;
children[1] = trnsRt;
}