<!--

var ie=(navigator.appName.charAt(0)=="M");
var nn=(navigator.appName.charAt(0)=="N");
var v3=(navigator.appVersion.charAt(0)<=3);
var v4=(navigator.appVersion.charAt(0)>=4);
var ie4=ie&&v4;
var ie3=ie&&v3;
var nn4=nn&&v4;
var nn3=nn&&v3;

var OS=navigator.userAgent;
var OS95NT=OS.indexOf("Windows 95")>-1||OS.indexOf("Windows 98")>-1||OS.indexOf("Windows NT")>-1||OS.indexOf("Win32")>-1;
var MacUnix=OS.indexOf("Mac")>-1||OS.indexOf("PPC")>-1||OS.indexOf("Macintosh")>-1||OS.indexOf("Mac_PowerPC")>-1||OS.indexOf("Windows 95")<=-1||OS.indexOf("Windows 98")<=-1||OS.indexOf("Windows NT")<=-1||OS.indexOf("Win32")<=-1;
var explorer45=(OS.indexOf("IE 4")>-1||OS.indexOf("IE 5")>-1)&&OS.indexOf("b1")<=-1&&OS.indexOf("p1")<=-1;
var OSIE4=OS95NT&&explorer45;

var okbrowser=ie4||nn4||nn3;

var imgChNumAR=new Array(
"seisakuButton","columnButton","yoteiButton","katsudou-houkokuButton","koeButton","tousokuButton","opinionButton","seimeiButton","seishinButton","tokushuButton","faqButton","nyuutouButton","yakuinButton","kokumin-tvButton","kokumin-videoButton","shozaichiButton","iinkaiButton","houanButton","topSeisakuButton","topKatsudou-houkokuButton","topKeijibanButton","topKoeButton","topTousokuButton","topNyuutouButton","topYakuinButton","topKokumin-videoButton","topShozaichiButton","mediainfoButton","mediapastButton","mediainfoButton02","mediapastButton02","kikanshiButton","kikanshiButton02","kouyakuButton","kouyakuButton02","newsButton","newsButton02"
);

var imgChNum=new Array();

for(i in imgChNumAR){
imgChNum[imgChNumAR[i]]=new Image();
imgChNum[imgChNumAR[i]].src="/media/images/"+imgChNumAR[i]+".gif";
imgChNum[imgChNumAR[i]+'CH']=new Image();
imgChNum[imgChNumAR[i]+'CH'].src="/media/images/"+imgChNumAR[i]+"02.gif";
}

function imgCh(imgPstn,imgName){

if(okbrowser){

document.images[imgPstn].src=imgChNum[imgName].src;

}

};

//-->