$(function(){
$("body").css("font-size",$.cookie('fsize'));
btnFontSize();
});
function font(fsmode){
if(fsmode=="s") {size=fsize_s;}
else if (fsmode=="m") {size=fsize_m;}
else if (fsmode=="l") {size=fsize_l;}
$("body").css("font-size",size);
$.cookie("fsize",size,{expires:30,path:'/'});
btnFontSize();
}
// font size button
fsize_s="65%";
fsize_m="82%";
fsize_l="106%";
fsActive="fsact";
function btnFontSize(){
fSizeSobj=document.getElementById("fs_small");
fSizeMobj=document.getElementById("fs_mid");
fSizeLobj=document.getElementById("fs_large");
fsclass_s=fSizeSobj.className;
fsclass_m=fSizeMobj.className;
fsclass_l=fSizeLobj.className;
switch ($.cookie('fsize')) {
case fsize_s:
	fSizeSobj.className=classSet(fsclass_s,1);
	fSizeMobj.className=classSet(fsclass_m,0);
	fSizeLobj.className=classSet(fsclass_l,0);
	break ;
case fsize_m:
	fSizeSobj.className=classSet(fsclass_s,0);
	fSizeMobj.className=classSet(fsclass_m,1);
	fSizeLobj.className=classSet(fsclass_l,0);
	break ;
case fsize_l:
	fSizeSobj.className=classSet(fsclass_s,0);
	fSizeMobj.className=classSet(fsclass_m,0);
	fSizeLobj.className=classSet(fsclass_l,1);
	break ;
default:
	fSizeSobj.className=classSet(fsclass_s,0);
	fSizeMobj.className=classSet(fsclass_m,0);
	fSizeLobj.className=classSet(fsclass_l,0);
}
}

function classSet(classStr,mode){
sstr=new RegExp("[ ]*"+fsActive, "");
if (mode==1){
	if(classStr!=""){
		if(!classStr.match(sstr)){nclassStr=classStr+" "+fsActive}
		else {nclassStr=classStr;}
	} else {nclassStr=fsActive}
} else {
	nclassStr=classStr.replace(sstr,"");
}
return nclassStr;
}