//Text size change
function normalTxtSize() {
	document.body.style.fontSize = 12 + "px";
	setCookie("textSize","normalTxt",365);
	
}

function bigTxtSize() {
	document.body.style.fontSize = 14 + "px";
	setCookie("textSize","bigTxt",365);
	
}

function biggerTxtSize() {
	document.body.style.fontSize = 16 + "px";
	setCookie("textSize","biggerTxt",365);
	
}

function setCookie(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 getCookie(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 setTxtSize(){
    var cookieValue = getCookie("textSize");
    if (cookieValue == "normalTxt" || cookieValue == "")
    {
        normalTxtSize();
    }
    if (cookieValue == "bigTxt")
    {
        bigTxtSize();
    }
    if (cookieValue == "biggerTxt")
    {
        biggerTxtSize();
    }        
}