function setFontSize(size){
	size = size.toString();
	document.body.style.fontSize = size + "px";
	var h2s = document.getElementsByTagName("h2");
	var h3s = document.getElementsByTagName("h3");
	var h4s = document.getElementsByTagName("h4");
	var h5s = document.getElementsByTagName("h5");

	for(var i=0; i < h2s.length; i++){
		h2s[i].style.fontSize = size + "px";
	}
	for(var i=0; i < h3s.length; i++){
		h3s[i].style.fontSize = size + "px";
	}
	for(var i=0; i < h4s.length; i++){
		h4s[i].style.fontSize = size + "px";
	}
	for(var i=0; i < h5s.length; i++){
		h5s[i].style.fontSize = size + "px";
	}
}

function noSpam() {
    if (document.getElementById) {
		var at = "@";
	  	var links = document.getElementsByTagName('a');
	  
	  	for (var i = 0; i < links.length; i++) {
		  	var linkElem = links[i];
			
		  	if (linkElem.className == 'escape') {
		  		var mail = linkElem.firstChild; var domain = linkElem.lastChild;
		  		mail.nextSibling.firstChild.innerHTML = at;
		  		linkElem.href = "mailto:" + mail.data + at + domain.data;
		  	}
			
	  	} // End for
	  
    } // End if
}


// Onload-Methode ohne Prototype:
//window.onload = noSpam;

Event.observe(window, 'load', noSpam, false);