var emArray = new Array('0.8','0.9','1.0','1.1','1.2','1.3','1.4');
var initSize = ;
createCookie('yusuFontSize',initSize,7);

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);
}

function fontSizer(inc) {

 if (!document.getElementById) return;

 var size = initSize;
 size += inc;
 if (size < 0 ) { size = 0; }
 if (size > 6 ) { size = 6; }
 initSize = size;
 createCookie('yusuFontSize',initSize,7);

 document.getElementById('page').style.fontSize = emArray[size]+'em';

}