function pageHeight()
{
	var _mc = document.getElementById('mc');
	var wrap = document.getElementById('wrapper');
	var _mch=0;
	var _height = 0;

	setInterval(function(){
		if (window.innerHeight) _height = window.innerHeight;
		else _height = document.documentElement.clientHeight;
		_mch= _mc.offsetHeight;
		wrap.style.height = '';
		if(_mch > _height) wrap.style.height = _mch +'px';
		else wrap.style.height = '';
	},500);
}

if (window.addEventListener) window.addEventListener("load", pageHeight, false);
else if (window.attachEvent) window.attachEvent("onload", pageHeight);