if (screen.width <= 480)
{
	document.write("<style type=\"text/css\">body {background-image:url(\"gfx/bg_sml.jpg\");background-repeat:repeat;background-position:top center;}</style>");
}
else if (screen.width <= 1280)
{
	document.write("<style type=\"text/css\">body {background-image: url(\"gfx/bg_med.jpg\");}</style>");
}