var css = GetCookie("CSS");
	if(css == ""){
		css = "http://www.bell-c.co.jp/css/font/midium.css";
	}
	document.write('<LINK REL="stylesheet" HREF="' + css + '" TYPE="text/css">');

	function  changesytle(file){
		SetCookie("CSS", file);
	}

	function GetCookie(key){
		var tmp = document.cookie + ";";
		var tmp1 = tmp.indexOf(key, 0);
		//alert(tmp1);
		if(tmp1 != -1){
			tmp = tmp.substring(tmp1, tmp.length);
			//alert(tmp);
			var start = tmp.indexOf("=", 0) + 1;
			var end = tmp.indexOf(";", start);
			return(unescape(tmp.substring(start,end)));
			
			
		}
		return("");
		
		
		
		
	}

	function SetCookie(key, val ){
	
		//document.cookie = key + "=" + escape(val) + ";path=http://www.bell-c.co.jp/index.html; domain=www.bell-c.co.jp;";
		
		var argv = SetCookie.arguments;
		var argc = SetCookie.arguments.length;
		
		var expires = (argc > 2) ? argv[2] : null;
		var path    = (argc > 3) ? argv[3] : "/";
		var domain  = (argc > 4) ? argv[4] : "www.bell-c.co.jp";
		var secure  = (argc > 5) ? argv[5] : false;
		document.cookie = key + "="  + escape (val) +
		((expires == null) ? ""		: ("; expires=" + expires.toGMTString())) +
		((path == null)    ? ""		: ("; path=" + path)) +
		((domain == null)  ? "" 	: ("; domain=" + domain));
		
		
		
		
	}
	
	
	
	function showimg1(){
		document.area1.src = "http://www.bell-c.co.jhttp://www.bell-c.co.jp/images/mini-h.gif";
		document.area2.src = "http://www.bell-c.co.jp/images/middle.gif";
		document.area3.src = "http://www.bell-c.co.jp/images/big.gif";
		file='http://www.bell-c.co.jp/css/font/mini.css';
		SetCookie("CSS", file);
		flg=0;
		window.location.reload();
	}

	function showimg2(){
		document.area1.src = "http://www.bell-c.co.jp/images/mini.gif";
		document.area2.src = "http://www.bell-c.co.jp/images/middle-h.gif";
		document.area3.src = "http://www.bell-c.co.jp/images/big.gif";
		file='http://www.bell-c.co.jp/css/font/midium.css';
		SetCookie("CSS", file);
		flg=1;
		window.location.reload();
	}

	function showimg3(){
		document.area1.src = "http://www.bell-c.co.jp/images/mini.gif";
		document.area2.src = "http://www.bell-c.co.jp/images/middle.gif";
		document.area3.src = "http://www.bell-c.co.jp/images/big-h.gif";
		file='http://www.bell-c.co.jp/css/font/big.css';
		SetCookie("CSS", file);
		flg=2;
		window.location.reload();
	}
	
	var img = new Array()
	img[0]=new Image();img[0].src="http://www.bell-c.co.jp/images/mini-o.gif";
	img[1]=new Image();img[1].src="http://www.bell-c.co.jp/images/middle-o.gif";
	img[2]=new Image();img[2].src="http://www.bell-c.co.jp/images/big-o.gif";
	
	
	var img2 = new Array()
	img2[0]=new Image();img2[0].src="http://www.bell-c.co.jp/images/mini.gif";
	img2[1]=new Image();img2[1].src="http://www.bell-c.co.jp/images/middle.gif";
	img2[2]=new Image();img2[2].src="http://www.bell-c.co.jp/images/big.gif";
	

	function s(x){
		y="Z"+x;
		if(x==flg){
		}else{
			document.images[y].src=eval("img["+x+"].src");
		}
	}
	function u(x){
		y="Z"+x;
		if(x==flg){
		}else{
			document.images[y].src=eval("img2["+x+"].src");
		}
	}
	function test(){
	//alert(GetCookie("CSS"));
	//document.area1.src = "http://www.bell-c.co.jp/images/mini.gif";
	//document.area2.src = "http://www.bell-c.co.jp/images/middle-h.gif";
	//document.area3.src = "http://www.bell-c.co.jp/images/big.gif";
		if(GetCookie("CSS")==""){
			document.area1.src = "http://www.bell-c.co.jp/images/mini.gif";
			document.area2.src = "http://www.bell-c.co.jp/images/middle-h.gif";
			document.area3.src = "http://www.bell-c.co.jp/images/big.gif";
		}else{
		
			switch (GetCookie("CSS")){
				case "http://www.bell-c.co.jp/css/font/midium.css":
					document.area1.src = "http://www.bell-c.co.jp/images/mini.gif";
					document.area2.src = "http://www.bell-c.co.jp/images/middle-h.gif";
					document.area3.src = "http://www.bell-c.co.jp/images/big.gif";
					flg=1;
				break;
				case "http://www.bell-c.co.jp/css/font/mini.css":
					document.area1.src = "http://www.bell-c.co.jp/images/mini-h.gif";
					document.area2.src = "http://www.bell-c.co.jp/images/middle.gif";
					document.area3.src = "http://www.bell-c.co.jp/images/big.gif";
					flg=0;
				break;
				case "http://www.bell-c.co.jp/css/font/big.css":
					document.area1.src = "http://www.bell-c.co.jp/images/mini.gif";
					document.area2.src = "http://www.bell-c.co.jp/images/middle.gif";
					document.area3.src = "http://www.bell-c.co.jp/images/big-h.gif";
					flg=2;
				break;
			}
		}
	}