var agt=navigator.userAgent.toLowerCase();
var ie  = (agt.indexOf("msie") != -1);
var ns  = (navigator.appName.indexOf("Netscape") != -1);
var win = ((agt.indexOf("win")!=-1) || (agt.indexOf("32bit")!=-1));
var mac = (agt.indexOf("mac")!=-1);
var nse = "";

if (ie && win) {
	pluginlist = detectIE("ShockwaveFlash.ShockwaveFlash.1","Shockwave Flash"); 
}

if (ns || !win) {
	nse = ""; 
	for (var i=0;i<navigator.mimeTypes.length;i++) {
		nse += navigator.mimeTypes[i].type.toLowerCase();
	}
	pluginlist = detectNS("application/x-shockwave-flash","Shockwave Flash");
}

function detectIE(ClassID,name) { 
	result = false; 
	document.write('<SCRIPT LANGUAGE=VBScript>\n on error resume next \n result = IsObject(CreateObject("' + ClassID + '"))</SCRIPT>\n'); 
		if (result) 
			return name; 
		else 
			return ''; 
}
function detectNS(ClassID,name) { 
	n = ""; 
	if (nse.indexOf(ClassID) != -1) 
		if (navigator.mimeTypes[ClassID].enabledPlugin != null) 
			n = name; 
	return n; 
}

pluginlist += navigator.javaEnabled() ? "Java," : "";

if (pluginlist.length > 0) {
	pluginlist = pluginlist.substring(0,pluginlist.length-1);
}

if (pluginlist.indexOf("Flash") == -1) {
	try{
		document.getElementById('main_flash').style.display = 'none';
	}
	catch(e){}
}
else {
	try{
		document.getElementById('non_main_flash').style.display = 'none';
	}
	catch(e){}
}