if(screen.width <= 800){
	imDir = 800;
	theWidth = 772;
	styleNr = 1;
	styleFile = 'main_style1.css';
	}
if(screen.width > 800){
	imDir = 1024;
	theWidth = 996;
	styleNr = 2;
	styleFile = 'main_style2.css';
	}