var OSName = "unknown";
var bName = "unknown";
var bVer = "unknown";
if (navigator.appVersion.indexOf("Mac") > 0) OSName = "Mac";
if (navigator.appVersion.indexOf("Win") > 0) OSName = "Win";
if (navigator.appName.substring(0,8) == "Netscape") bName = "NN";
if (navigator.appName.substring(0,9) == "Microsoft") bName = "IE";
if (parseInt(navigator.appVersion) >= 3) bVer="3x";
if (parseInt(navigator.appVersion) >= 4) bVer="4x";
if (parseInt(navigator.appVersion) >= 5) bVer="5x";	
var haveqt5 	= false;
var haveqt	= false;
if(OSName == "Mac" && bName == "IE" && (bVer == "4x" || bVer == "5x")) {
	haveqt  = true;
	haveqt5 = true;
}

if (navigator.plugins) {
	for (i=0; i < navigator.plugins.length; i++ ) {
		haveqt = true;
		p = navigator.plugins[i].name;
		if (p.indexOf("QuickTime") >= 0){
			for(k=0; k<p.length; k++){
				qv = parseFloat( p.substring(k, p.length) );
				if( qv!= "NaN" && qv > 4.1 ){
					haveqt5 = true;
				}
			}
		}
	}
}

var can_script	= false;
if((haveqt && bName == "NN") || (!haveqt && (bName == "NN" || OSName == "Win")) )
	can_script = true;