var defaultFontSize = "0.82";

$(function(){
	if($.cookie('fsize') != ""){$("body").css("font-size",$.cookie('fsize'));}
	else{$("body").css("font-size",defaultFontSize);}
});

function fontBig(size){
	defaultFontSize = parseFloat(defaultFontSize);
	size = parseFloat(size);
	var changeParm = ($.cookie('fsize')!= null)?size+parseFloat($.cookie('fsize')):defaultFontSize + size;
	$("body").css("font-size",changeParm+"em");
	$.cookie("fsize",changeParm+"em",{expires:30,path:'/'});
}

function fontMin(size){
	defaultFontSize = parseFloat(defaultFontSize);
	size = parseFloat(size);
	var changeParm = ($.cookie('fsize')!= null)?parseFloat($.cookie('fsize'))-size:defaultFontSize - size;
	if(changeParm <= 0.3)changeParm = 0.3;
	$("body").css("font-size",changeParm+"em");
	$.cookie("fsize",changeParm+"em",{expires:30,path:'/'});
}