if (engine.getThumbSize().equals("404x404")) {

if (chooseThumbPos.equals("left")) {
	engine.setThumbSize("68x404");
} else if (chooseThumbPos.equals("right")) {
	engine.setThumbSize("68x404");
} else {
	engine.setThumbSize("404x68");
}

} else {


if (chooseThumbPos.equals("left")) {
	engine.setThumbSize(maxThumbWidth + "x404");
} else if (chooseThumbPos.equals("right")) {
	engine.setThumbSize(maxThumbWidth + "x404");
} else {
	engine.setThumbSize("404x" + maxThumbHeight);
}

}