if (widthNew > ww || heightNew > wh) {
// bigger than window.
// scale here... - bit nasty..
+ Roo.log(widthNew / ww );
+ Roo.log(heightNew / wh);
var rescale = 1.1 * Math.max( widthNew / ww , heightNew / wh);
Roo.log(rescale);
//console.log(rescale);