function ReadCookie(){
	var tmp = document.cookie+";";
	var cString1 = tmp.indexOf("style_type",0);
		if(cString1 != -1){
			tmp = tmp.substring(cString1,tmp.length);
			var cString2 = tmp.indexOf("=",0)+1;
			var cString3 = tmp.indexOf(";",cString2);
			return(unescape(tmp.substring(cString2,cString3)));
		}
	return("");
}

function ImageTag(){
	var CookieStr = ReadCookie();
	if(CookieStr == "LCss" ){
		document.write("<A HREF=\"javascript:;\" onClick=\"WriteInCookie(\'SCss\');return false;\"><img src=\"http://city.gotemba.shizuoka.jp/css/img/small.gif\" width=\"150\" height=\"31\" vspace=\"0\" hspace=\"0\" border=\"0\" alt=\"文字の縮小\" title=\"文字の縮小\" align=\"right\"></A>");
	}else{
		document.write("<A HREF=\"javascript:;\" onClick=\"WriteInCookie(\'LCss\');return false;\"><img src=\"http://city.gotemba.shizuoka.jp/css/img/big.gif\" width=\"150\" height=\"31\" vspace=\"0\" hspace=\"0\" border=\"0\" alt=\"文字の拡大\" title=\"文字の拡大\" align=\"right\"></A>");
	}
}

function WriteInCookie(tipe){
	var date = new Date();
	var days = 30;
	date.setTime(date.getTime()+(days*24*60*60*1000));
	document.cookie = "style_type="+tipe+"; expires="+date.toGMTString()+"; path=/;";
	window.open(window.location,'_self');
}

var CookieStr =ReadCookie();
if(CookieStr == "LCss" ){
	document.write("<SCRIPT language='JavaScript' src='http://city.gotemba.shizuoka.jp/css/big/select_css.js'></SCRIPT>");
}else{
	document.write("<SCRIPT language='JavaScript' src='http://city.gotemba.shizuoka.jp/css/small/select_css.js'></SCRIPT>");
}