function setWidth() {
	if (screen.width < 1100) { 
	maincontainer.setAttribute("width", "100%"); 
	bodystyle.setAttribute("href", "http://codstreetfair.net/vendors/css/styles_screen.css");
	} else { 
	maincontainer.setAttribute("width", "1100"); 
	bodystyle.setAttribute("href", "http://codstreetfair.net/vendors/css/styles_screen2.css"); 
	}
}