function setBG() {
	sh = ( document.documentElement.clientHeight ? document.documentElement.clientHeight : document.body.clientHeight );
	sw = ( document.documentElement.clientWidth ? document.documentElement.clientWidth : document.body.clientWidth );
	if (sw < 600) {
		$("#bgbox").hide();
	} else {
		$("#bgbox").show();
		size = (sw / sh);
		$("#bgbox").css("height", sh + "px");
		if (size > 1.61904) {
			wnum = (sw / 1700);
			newh = (1050 * wnum);
			$("#bg").css("width", (sw + .1) + "px");
			$("#bg").css("height", newh + "px");
		} else {
			hnum = (sh / 1050);
			neww = (1700 * hnum);
			$("#bg").css("width", neww + "px");
			$("#bg").css("height", sh + "px");
			$("#bg").css("left", "-" + ((neww - sw) / 2) + "px");
		}
	}
}
function getSize() {
	sh = ( document.documentElement.clientHeight ? document.documentElement.clientHeight : document.body.clientHeight );
	sw = ( document.documentElement.clientWidth ? document.documentElement.clientWidth : document.body.clientWidth );
	boxh = $("#bgbox").css("height");
	boxw = $("#bgbox").css("width");
	bgh = $("#bg").css("height");
	bgw = $("#bg").css("width");
	alert('Screen\n\nwidth: ' + sw + '\nheight: '+ sh + '\n\nbgbox\n\nwidth: ' + boxw + '\nheight: '+ boxh + '\n\nbg\n\nwidth: ' + bgw + '\nheight: '+ bgh);
}