var browserName = navigator.appName;
var container = document.getElementById('container');

if (browserName=="Microsoft Internet Explorer") {
	if ( document.documentElement.scrollHeight > document.documentElement.clientHeight ) {
		container.style.height = document.documentElement.scrollHeight;
	} else {
		container.style.height = document.documentElement.clientHeight;
	}
} else {
	if ( document.documentElement.scrollHeight > window.innerHeight ) {
		container.style.height = document.documentElement.scrollHeight+'px';
	} else {
		container.style.height = window.innerHeight+'px';
	}
}