function checkFlash(reqVersion){
		var nsPlugin=navigator.mimeTypes&&navigator.mimeTypes["application/x-shockwave-flash"]?navigator.mimeTypes["application/x-shockwave-flash"].enabledPlugin:0;
		if(nsPlugin){
			if(window.opera&&!document.createComment)
				var flashVersion=+navigator.plugins["Shockwave Flash"].description.split(" ")[2];
			else
				var flashVersion=+navigator.plugins["Shockwave Flash"].description.replace(/\b[^ ]+\b/g,function($1){return +$1==$1?$1:""});
		}else if(window.vbsCheck)
			var flashVersion=reqVersion;
		else
			var flashVersion=-1;
		return flashVersion>=reqVersion;
	}