$(document).ready(function() {
	if($.cookie("css")) {
	    do_font_size_change($.cookie("css"));
	}
	$('#big').click(function()
		{
			do_font_size_change('big');
			$.cookie("css", 'big', {expires: 365, path: '/'});
		}
	);
	$('#mid').click(function()
		{
			do_font_size_change('mid');
			$.cookie("css", 'mid', {expires: 365, path: '/'});
		}
	);
	$('#small').click(function()
		{
			do_font_size_change('small');
			$.cookie("css", 'small', {expires: 365, path: '/'});
		}
	);
	}
);


function do_font_size_change(size) {
	percentage = '100%';
	if (size == 'big') { percentage = '100%'; }
	else if (size == 'mid') { percentage = '85%'; }
	else if (size == 'small') { percentage = '80%'; }
	$("body").css("font-size", percentage);
}