var sCkieName = "kipl"

function initFontSize(){
    var sCkie = readCookie(sCkieName);
    if(sCkie != null){
        changeFontSize(sCkie);
    }    
}

function changeFontSize(call) {
    if (document.getElementById) {
        if (call == 'A'){
            changeSize('normal');
        } else if (call == 'A+') {
            changeSize('1.4em');
        } else if (call == 'A++'){
            changeSize('2.0em');
        }
        eraseCookie(sCkieName)
        createCookie(sCkieName, call, 10);
    }
}

function changeSize(size) {
    if (document.getElementById) {
        document.getElementById("content").style.cssText = "font-size:"+size;
    }
}

function createCookie(name,value,days) {
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}

function eraseCookie(name) {
	createCookie(name,"",-1);
}