ecmascript:

function R () {
	return Math.random();
}
function recompute (isActive) {
	if (isActive==true) initialize();
}

function initialize() {
  for (i=0; i < 10; i++) {
    rand1 = 100*R();
    rand2 = 100*R();
    rand3 = 20*R();
    rand4 = 40*R();
    rand5 = 20*R();
    sceneString ='Transform {                                                    \n' +
                      '   translation ' + rand1 + ' 0 ' + rand2 + ' \n' +
                      '   children [                                            \n' +
                      '           Shape {                                       \n' +
                      '                   appearance Appearance {               \n' +
                      '                      material Material {                \n' +
                      '                         diffuseColor ' + R() + ' ' + R() + ' ' + R() + '\n' +
                      '                      }                                  \n' +
                      '                   }                                     \n' +
                      '                   geometry Box {                        \n' +
                      '                      size ' + rand3 + ' ' + rand4 + ' ' + rand5 + '\n' +
                      '                   }                                     \n' +
                      '           }                                             \n' +
                      '   ]                                                     \n' +
                      '}                                                        \n' +
                      '#########################################################\n';
       Browser.print (sceneString);
       newNode = Browser.createVrmlFromString(sceneString);
//     newNode = Browser.createX3dFromString(sceneString);
       ModifiableExternalNode.children[i] = newNode[0];
  }
}