function detectFlash(version) {
	if (navigator.plugins && navigator.plugins['Shockwave Flash']) {
		plugin_descr = navigator.plugins['Shockwave Flash'].description
		if (parseInt(plugin_descr.substring(plugin_descr.indexOf(".") - 1)) >= version) {
			if(version >= 5){
				if (navigator.mimeTypes['application/x-shockwave-flash'].enabledPlugin == null) return false;
			}
			return true;
		} 
	}
	return false;
}

function isFlash() {
	return !(navigator.userAgent.indexOf("iCab") != -1 || navigator.userAgent.indexOf("MSIE 3") != -1) 

}

function availableFlash(version) {
	if (!isFlash()) return false;
	if (navigator.userAgent.indexOf("MSIE") != -1 && 
		navigator.userAgent.indexOf("Windows") != -1 && 
		navigator.userAgent.indexOf("Opera") == -1) { 
		return availableIEFlash(version);
	} else {
		return detectFlash(version);
	}
}