var isIE4=false, isNN4=false, isNN5=false, isMac=false, isWin32=false, isRP=false, isWM=false, isFH=false;

function Init() {
	if (parseInt(navigator.appVersion) >= 4){
		if ((navigator.appName == "Netscape")){
			if (navigator.appVersion.charAt(0) != "5"){
				isNN4 = true;
			} else {
				isNN5 = true;
			}
			if (navigator.platform.indexOf("PPC") != -1){
					isMac = true;
			} else if (navigator.platform.indexOf("Win") != -1) {
				isWin32 = true;
			}
		} else {
			isIE4 = true;
			if(navigator.cpuClass.indexOf("PPC")!=-1){
				isMac = true;  
			} else {
				isWin32 = true;
			}
		}
	}
}

function DetectExplorer() {
	var isIE = 0;
	nome = navigator.appName;
	if (nome.substring(19,27) == "Explorer") {
		isIE = 1;
	}
	return isIE;
}

function DetectWindowsMediaPlayer(WM){
	var isWM = 0
	if (isIE4 == true && isMac == false){
		if (typeof(eval(WM)) != "undefined"){
			if (!isNaN(parseInt(eval(WM).versioninfo))) {
				var isWM = 1;
			}
		}
	} else if(isNN4 == true  || isNN5 == true){
		if (navigator.mimeTypes && navigator.mimeTypes['video/x-ms-wm'] && navigator.mimeTypes['video/x-ms-wm'].enabledPlugin) 
	 		var isWM = 1;
	}
	return isWM;
}

function DetectFlashPlayer(){
	var isFH = 0;
	
	if (isIE4 == true && isMac == false){
		if (ActiveXDetect('ShockwaveFlash.ShockwaveFlash.4'))
			isFH = 1;
	} else if(isNN4 == true  || isNN5 == true){
		if (navigator.mimeTypes && navigator.mimeTypes['application/x-shockwave-flash'] && navigator.mimeTypes['application/x-shockwave-flash'].enabledPlugin)
			isFH = 1;
	}
    return isFH;
}