function setHeight() {
	var winheight=0;
	if (window.innerHeight) winheight=window.innerHeight;
	else if (document.body && document.body.offsetHeight) winheight=document.body.offsetHeight;
	if (winheight>0) {
		if (winheight<550) {
			winheight=550;
		}
		document.getElementById('content').style.height=(winheight-213)+"px";
	}
}
window.onresize = setHeight;