// JavaScript Document

function setCookie(name,value)
{
    var Days = 30;
    var exp  = new Date();    //new Date("December 31, 9998");
        exp.setTime(exp.getTime() + Days*24*60*60*1000);
        document.cookie = name + "="+ escape (value) + ";expires=" + exp.toGMTString();
}
function getCookie(name)
{
    var arr,reg=new RegExp("(^| )"+name+"=([^;]*)(;|$)");
        if(arr=document.cookie.match(reg)) return unescape(arr[2]);
        else return null;
}
function delCookie(name)
{
    var exp = new Date();
        exp.setTime(exp.getTime() - 1);
    var cval=getCookie(name);
        if(cval!=null) document.cookie= name + "="+cval+";expires="+exp.toGMTString();
}


function setfontsize(size){
	var obj=document.getElementById("left");
		obj.style.fontSize=size+'px';
		obj.style.lineHeight=size*1.6+'px';
		setCookie("fsize",size);
	var objid="f"+size;
	var obj1=document.getElementById(objid);
		obj1.style.fontWeight="bold";
	if(size == 12){
		document.getElementById("f14").style.fontWeight="normal";
		document.getElementById("f16").style.fontWeight="normal";
	}else if(size == 14){
		document.getElementById("f12").style.fontWeight="normal";
		document.getElementById("f16").style.fontWeight="normal";
	}else if(size == 16){
		document.getElementById("f14").style.fontWeight="normal";
		document.getElementById("f12").style.fontWeight="normal";
	}
	
		
}
window.onload= function resetfont(){
	
	if (getCookie("fsize") != ""){
		var size=getCookie("fsize");
		if(size > 0){
			setfontsize(size);
		}
	}
	
};