switch(level_no){
	case 1:
		var url1a="images/size_1_out.gif"
		var url2a="images/size_2_out.gif"
		var url3a="images/size_3_out.gif"
		var url1b="images/size_1_ac.gif"
		var url2b="images/size_2_ac.gif"
		var url3b="images/size_3_ac.gif"
	break;
	case 2:
		var url1a="../images/size_1_out.gif"
		var url2a="../images/size_2_out.gif"
		var url3a="../images/size_3_out.gif"
		var url1b="../images/size_1_ac.gif"
		var url2b="../images/size_2_ac.gif"
		var url3b="../images/size_3_ac.gif"
	break;
	case 3:
		var url1a="../../images/size_1_out.gif"
		var url2a="../../images/size_2_out.gif"
		var url3a="../../images/size_3_out.gif"
		var url1b="../../images/size_1_ac.gif"
		var url2b="../../images/size_2_ac.gif"
		var url3b="../../images/size_3_ac.gif"
	break;	
	default:
		var url1a="images/size_1_out.gif"
		var url2a="images/size_2_out.gif"
		var url3a="images/size_3_out.gif"
		var url1b="images/size_1_ac.gif"
		var url2b="images/size_2_ac.gif"
		var url3b="images/size_3_ac.gif"
}
function setclass_name(n) {
	switch(n){
	case "1":
		document.getElementsByTagName("body")[0].className = "size1";
		document.small_size.src = url1b;
		document.middle_size.src = url2a;
		document.big_size.src = url3a;
		break;
	case "2":
		document.getElementsByTagName("body")[0].className = "size2";
		document.small_size.src = url1a;
		document.middle_size.src = url2b;
		document.big_size.src = url3a;
		break;
	case "3":
		document.getElementsByTagName("body")[0].className = "size3";
		document.small_size.src = url1a;
		document.middle_size.src = url2a;
		document.big_size.src = url3b;
		break;
	default:
		document.getElementsByTagName("body")[0].className = "size2";
		document.small_size.src = url1a;
		document.middle_size.src = url2b;
		document.big_size.src = url3a;
	}
}

function get_font(){
	theCookie = getCookie("font_size");
	setclass_name(theCookie);
	//window.document.n_second_menu.SetVariable("_level0.buttonNO", theCookie);
}

function set_font(no){
	exp=new Date();
	exp.setTime(exp.getTime()+1000*60*60*24*1000);
	document.cookie="font_size="+no+";expires="+exp.toGMTString()+";path=/;";
	setclass_name(no);
}

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