var font_size = 11;
var font_original = 11;
var min_font = 10;
var max_font = 14;

function saveFontSize() {
    var expire = new Date();
    expire.setTime(expire.getTime() + (6000 * 24 * 3600000)); //expires in 6 days from users clock
    expire = expire.toGMTString();
    document.cookie = "font_size=" + font_size + "; expires=" + expire;
    setFontSize(false);
}

function loadFontSize() {
    tempArray = document.cookie.split(";");
    for (tA = 0; tA < tempArray.length; tA++) {
        if (tempArray[tA].indexOf('font_size') > -1) {
            fontValue = tempArray[tA].split("=");
            font_size = parseInt(fontValue[1]);
        }
    }
}

function setFontSize(bln) {
    loadFontSize();
	try{
		obj = document.getElementById('center');
		obj.style.fontSize = font_size + "px";
		if(bln){setSize(obj, font_size + "px");}
//		obj = document.getElementById('center_content')
//		obj.style.fontSize = font_size + "px";
    }catch(e){}
}

function setSize(obj, size) {
    for (var x = 0; x < obj.childNodes.length; x++) {
        if (obj.childNodes[x].nodeName.toLowerCase() == 'div') {
            setSize(obj.childNodes[x], size);
        }else{
			if (obj.childNodes[x].nodeName.toLowerCase() == 'p') {
				obj.childNodes[x].style.fontSize = size;
			}
        }
    }
}

function plus() {
	try{
		obj = document.getElementById('center')
		font_size = obj.style.fontSize;
		font_size = parseInt(font_size);
		if (!font_size || font_size == '') font_size = 12;
		if (font_size < max_font) font_size = font_size + 1;
		setSize(obj, font_size + "px");
	    

//		obj = document.getElementById('center_content')
//		font_size = obj.style.fontSize;
//		font_size = parseInt(font_size);
//		if (!font_size || font_size == '') font_size = 12;
//		if (font_size < max_font) font_size = font_size + 1;
//		setSize(obj, font_size + "px");
	    
		saveFontSize();
    }catch(e){}
}

function minus() {
	try{
	    obj = document.getElementById('center')
		font_size = obj.style.fontSize;
		font_size = parseInt(font_size);
		if (!font_size) font_size = 10;
		if (font_size > min_font) font_size = font_size - 1;
		setSize(obj, font_size + "px");


//		obj = document.getElementById('center_content')
//		font_size = obj.style.fontSize;
//		font_size = parseInt(font_size);
//		if (!font_size) font_size = 10;
//		if (font_size > min_font) font_size = font_size - 1;
//		setSize(obj, font_size + "px");

		saveFontSize()
    }catch(e){}		
}

function original() {
	try{
		obj = document.getElementById('center')
		font_size = font_original;
		obj.style.fontSize = font_size + "px";
		setSize(obj, font_size + "px");

//		center_info

//		obj = document.getElementById('center_content')
//		font_size = font_original;
//		obj.style.fontSize = font_size + "px";
//		setSize(obj, font_size + "px");

		saveFontSize()
    }catch(e){}		
}

setTimeout("setFontSize(true)", 2000);