function ch_font_large(obj) {
	document.getElementById("container").style.fontSize = "115%";
	document.cookie = "FONT=large; expires=Tue, 31-Dec-2030 23:59:59;path=/;";
	document.getElementById("now_size").id = "";
	document.getElementsByTagName('a').item(3).id = "now_size";
}
function ch_font_middle(obj) {
	document.getElementById("container").style.fontSize = "100%";
	document.cookie = "FONT=middle; expires=Tue, 31-Dec-2030 23:59:59;path=/;";
	document.getElementById("now_size").id = "";
	document.getElementsByTagName('a').item(2).id = "now_size";
}
function ch_font_small(obj) {
	document.getElementById("container").style.fontSize = "75%";
	document.cookie = "FONT=small; expires=Tue, 31-Dec-2030 23:59:59;path=/;";
	document.getElementById("now_size").id = "";
	document.getElementsByTagName('a').item(1).id = "now_size";
}

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

nowfont = getCookie("FONT");


switch(nowfont){
	case "small":
		ch_font_small();
		break;
	case "middle":
		break;
	case "large":
		ch_font_large();
		break;
	default:
		break;
}