var wText = 'sizeText=';



function getCookie(){
	var wNow ='';
	var wCookie = document.cookie;

	if (wCookie.length > 0) {
		var wStart = wCookie.indexOf(wText);
		if (wStart != -1) {
			wStart += wText.length;
			wEnd = wCookie.indexOf(";",wStart);
			if (wEnd == -1) wEnd = wCookie.length;
			wNow = wCookie.substring(wStart,wEnd);
		}
	}
	return wNow;
}

var wSize = 0;


var wStyle = new Array();
wStyle[0] = '10px';
wStyle[1] = '12px';
wStyle[2] = '14px';
wStyle[3] = '16px';

function setTextSize(){
	wSize = getCookie() *1;
	document.write('<style type="text/css">');
	document.write('.text2{ font-size:' + wStyle[wSize +1] + '; }');
	document.write('.text1{ font-size:' + wStyle[wSize] + '; }');
	document.write('</style>');
}

function changeSize(btn){
	var wChange;
	if (btn == '+') wChange = wSize +1;
	if (btn == '-') wChange = wSize -1;

	if (wChange <= 0) wChange = 0;
	if (wChange >= 2) wChange = 2;

	if(wChange >= 0 && wChange < wStyle.length){
		wSize = wChange;
		document.cookie = wText +wSize+ ';path=/;';
		window.location.reload();
	}
}