Event.observe(window, 'load', function(){

var positionX = 600,
positionY = 200,
resizeWidth, resizeHeight;



if($$('.catalog-product-gallery').length > 0) {
resizeWidth = $('product-gallery-image').getWidth() + 90; /* +90 From gallery defaults */
resizeHeight = $('product-gallery-image').getHeight() + 210; /* +210 From gallery defaults */
$$('.catalog-product-gallery')[0].setStyle({minWidth: 0});
window.resizeTo(resizeWidth, resizeHeight);
}
});