function initHeight(){
	var _class = 'm-inner';
	var _headerH;
	var _value = 75;
	var _header = document.getElementById('header');
	if (_header) _headerH = _header.offsetHeight;
	
	var _el = document.getElementsByTagName('div');
	var _boxH;
	var _windowHeight = document.body.clientHeight;
	setTimeout(function(){
	_height();
	},10)
	function _height() {
		for (var i = 0; i < _el.length; i++) {
			if (_el[i].className.indexOf(_class) != -1) {
				var _boxEl = _el[i];
				var _boxH = _el[i].offsetHeight;
			}
		}
		//alert(_headerH +'&&'+ _boxH +'&&'+ _windowHeight);
		if (_headerH && _boxH && _windowHeight) {
			var _h = _headerH + _boxH + _value;
			if (_windowHeight > _h){
				
				_boxEl.style.height = (_windowHeight - _value - _headerH)+'px';
			}
		}
	}
}
if (window.addEventListener){
	window.addEventListener("resize",initHeight, false);
	window.addEventListener("load", initHeight, false);
}
else if (window.attachEvent){
	window.attachEvent("onresize", initHeight);
	window.attachEvent("onload", initHeight);
}