function normalSize() {
textbereich = document.getElementById("inhalt"); 
textbereich.style.fontSize = "125%";
document.cookie = "fontsize=normal";
}

function fontSizer(zahl) {

var i = zahl;


if(zahl == 1) {
document.getElementById("inhalt").style.fontSize = "150%";
document.cookie = "fontsize=enlarge";
}

else {
document.getElementById("inhalt").style.fontSize = "100%";
document.cookie = "fontsize=reduce";
}

}

function setFontSize() {
if(document.cookie.indexOf("fontsize=enlarge") == 0) document.getElementById("inhalt").style.fontSize = "150%";
if(document.cookie.indexOf("fontsize=reduce") == 0) document.getElementById("inhalt").style.fontSize = "100%";
if(document.cookie.indexOf("fontsize=normal") == 0) document.getElementById("inhalt").style.fontSize = "125%";
}

window.onload = setFontSize;