function check() {
	var screenWidth = 0;
	var screenHeight = 0;
	var hasFlash = 0;

	if (screen) {
		screenWidth = screen.width;
		screenHeight = screen.height;
	};
	if (navigator.plugins) {
		for (var p = 0; p < navigator.plugins.length; p++) {
			if (navigator.plugins[p].name.toLowerCase().indexOf("flash") >= 0) {
				hasFlash = 1;
			};
		};
	};
	if (navigator.userAgent.indexOf('MSIE') >= 0 && navigator.userAgent.indexOf('Win') >= 0) {
		var objFlash = new ActiveXObject('ShockwaveFlash.ShockwaveFlash');
		if (objFlash) {
			hasFlash = 1;
		};
	};
	if (navigator.mimeTypes && hasFlash != 0) {
		var mimetype = 'application/x-shockwave-flash';
		if (navigator.mimeTypes[mimetype] != null) {
			if (navigator.mimeTypes[mimetype].enabledPlugin != null) {
				hasFlash = 1;
			};
		};
	};
	var objIMG = document.createElement("IMG");
	if (objIMG) {
		objIMG.src = '/check.asp?w=' + screenWidth + '&h=' + screenHeight + '&f=' + hasFlash;
	};
	
};