window.onresize = checkSize;
window.onshow = checkSize;
window.onload = checkSize;
window.onopen = checkSize;

function checkSize()
{
	var ie = /msie/i.test(navigator.userAgent);
	var ieBox = ie && (document.compatMode == null || document.compatMode == "BackCompat");
	var canvasEl = ieBox ? document.body : document.documentElement;
	var w = window.innerWidth || canvasEl.clientWidth;
	var h = window.innerHeight || canvasEl.clientHeight;
	
	//document.getElementById("obj").style.height = ((h >= 612) ? Math.max(0, 100) + "%" : "612px");
	document.getElementById("obj").style.width = ((w >= 990) ? Math.max(0, 100) + "%" : "990px");
}