function BrowserCheck(){
	this.NavName = navigator.appName;
	this.NavAnt = navigator.userAgent;
	this.NavVer = navigator.appVersion;
	this.NavPlug = navigator.plugins;
	this.NavVsub = navigator.vendorSub;
	this.NavVerI = parseInt(this.NavVer);
	this.NavVerF = parseFloat(this.NavVer);
	
	this.NN = (this.NavName == "Netscape")
	this.NN4 = (this.NavAnt.indexOf("Mozilla/4") != -1);
	this.NN6 = (this.NavAnt.indexOf("Netscape6/") != -1);
	this.NN7 = (this.NavAnt.indexOf("Netscape/7") != -1);
		
	this.IE = (this.NavName == "Microsoft Internet Explorer");
	this.IE3 = (this.NavAnt.indexOf('MSIE 3')>0);
	this.IE45 = (this.NavVer.indexOf('MSIE 4.5')>0);
	this.IE401 = (this.NavVer.indexOf('MSIE 4.01')>0);
	this.IE4 = (this.NavVer.indexOf('MSIE 4')>0);
	this.IE51 = (this.NavAnt.indexOf('MSIE 5.1')>0);
	this.IE52 = (this.NavAnt.indexOf('MSIE 5.2')>0);
	this.IE5 = (this.NavVer.indexOf('MSIE 5')>0);		
	this.IE6 = (this.NavVer.indexOf('MSIE 6')>0);
	this.GEK = (this.NavAnt.indexOf("Gecko") != -1);
	this.SAF = (this.NavAnt.indexOf("Safari",0) != -1);
	this.CAB = (this.NavAnt.indexOf("iCab",0) != -1);
	this.OPE = (this.NavAnt.indexOf("Opera",0) != -1);
	this.Win = (this.NavAnt.indexOf("Win",0) != -1);
	this.XP = (this.NavAnt.match(/NT 5\.1|XP/));
	this.ME = (this.NavAnt.match(/4\.90|ME/));
	this.TK = (this.NavAnt.match(/NT 5\.0|2000/));
	this.NT = (this.NavAnt.match(/NT 5\.0|WinNT/));
	this.Mac = (this.NavAnt.indexOf("Mac",0) != -1);
	this.M68k = (this.NavAnt.indexOf("68k",0)!=-1);
	this.Uix = (this.NavAnt.indexOf("X11",0) != -1);
	this.EGB = (this.NavAnt.indexOf("Planetweb",0) != -1);
}

var flash_version = 8;
var FlashInstalled = false;
var checkB = new BrowserCheck();
if(checkB.OPE && navigator.plugins["Shockwave Flash"]){
	var sp = navigator.plugins["Shockwave Flash"].description.indexOf("Flash");
	var ep = navigator.plugins["Shockwave Flash"].description.lastIndexOf(" ");
	var aver = parseFloat(navigator.plugins["Shockwave Flash"].description.substring(sp+6,ep));
	if(aver >= flash_version){
		var FlashInstalled = true;
	}

}else if(checkB.Win && checkB.IE){
	document.write('<SCR' + 'IPT LANGUAGE=VBScript\> \n');
	document.write('Function VBGetSwfVer(i)\n');
	document.write('on error resume next\n');
	document.write('Dim swControl, swVersion\n');
	document.write('swVersion = 0\n');
	document.write('set swControl = CreateObject("ShockwaveFlash.ShockwaveFlash." + CStr(i))\n');
	document.write('if (IsObject(swControl)) then\n');
	document.write('  swVersion = swControl.GetVariable("$version")\n');
	document.write('end if\n');
	document.write('VBGetSwfVer = swVersion\n');
	document.write('End Function\n');
	document.write('</SCR' + 'IPT\> \n');
	var mjVer = 0;
	for (i=15;i>0;i--) {	
		versionStr = VBGetSwfVer(i);
		if (versionStr != 0){
			mjVer = i;
			break;
		}
	}

	if(mjVer >= flash_version){
		var FlashInstalled = true;
	}

	if(checkB.IE4){
		var FlashInstalled = false;
	}

}else if(checkB.Mac && checkB.IE){
	if(!checkB.IE4 && navigator.plugins["Shockwave Flash"]){
		var sp = navigator.plugins["Shockwave Flash"].description.indexOf("Flash");
		var ep = navigator.plugins["Shockwave Flash"].description.lastIndexOf(" ");
		var aver = parseFloat(navigator.plugins["Shockwave Flash"].description.substring(sp+6,ep));
		if(aver >= flash_version){
			var FlashInstalled = true;
		}
	}

}else if(checkB.NN && navigator.plugins["Shockwave Flash"]){
	var sp = navigator.plugins["Shockwave Flash"].description.indexOf("Flash");
	var ep = navigator.plugins["Shockwave Flash"].description.lastIndexOf(" ");
	var aver = parseFloat(navigator.plugins["Shockwave Flash"].description.substring(sp+6,ep));
	if(aver >= flash_version){
		var FlashInstalled = true;
	}
}

var swfTag = '<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=7,0,19,0" width="780" height="355"><param name="allowScriptAccess" value="sameDomain" /><param name="allowFullScreen" value="false" /><param name="movie" value="royalhost_top.swf" /><param name="quality" value="high" /><param name="scale" value="noscale" /><param name="bgcolor" value="#FFFFFF" /><param name="wmode" value="transparent"><embed src="royalhost_top.swf" quality="high" wmode="transparent" pluginspage="http://www.macromedia.com/go/getflashplayer" type="application/x-shockwave-flash" width="780" height="355"></embed></object>';
var imgTag = '<img src="img_top/dammy_flash.jpg" border="0" usemap="#Map2" /><map name="Map2" id="Map2"><area shape="rect" coords="63,224,152,247" href="lunch/index.html" /><area shape="rect" coords="250,323,338,349" href="osusume/youshoku.html" /><area shape="rect" coords="445,215,531,240" href="osusume/summer_curry.html" /><area shape="rect" coords="628,324,717,353" href="kids/index.html" target="_blank" /></map>';

function top_swf(){
	if(FlashInstalled){
		document.write(swfTag);
	}else{
		document.write(imgTag);
	}
}
