function checkSystem() {
	if(document.getElementById("innerWidth")) {
		if(screen.width) {
			document.getElementById("innerWidth").value = screen.width;
		}
	}
	if(document.getElementById("innerHeight")) {
		if(screen.height) {
			document.getElementById("innerHeight").value = screen.height;
		}
	}
	if(document.getElementById("flashVer")) {
		if(navigator.plugins["Shockwave Flash"]) {
			document.getElementById("flashVer").value = navigator.plugins["Shockwave Flash"].description;
		} else {
			var y = null;
			try {
				y = new ActiveXObject("ShockwaveFlash.ShockwaveFlash");
			} catch (t) {
			}
			if (y) {
				document.getElementById("flashVer").value = y.GetVariable("$version");
			}
		}
	}
	if(document.getElementById("userAgent")) {
		document.getElementById("userAgent").value = navigator.userAgent;
	}
	
}