/*===================================
  [関数 chBanner]
  バナーをランダム表示するJavascript
====================================*/

function chBanner(alt,url,img)
{
n = Math.floor(Math.random() * url.length);
	if(url[n] == "")
		{
		document.write('<img src="'+img[n]+'" width="90" height="50" alt="広告:'+alt[n]+'" title="広告:'+alt[n]+'" />');
		}
	else{
		document.write('<a target="_blank" href="http://www.city.tama.lg.jp/cgi-strk/ntadtrack.cgi?'+url[n]+'"><img src="'+img[n]+'" width="90" height="50" alt="広告:'+alt[n]+'" title="広告:'+alt[n]+'" /></a>');
			}
}

// _______________________________________ end of function fsc() ___ 

//EOF