function setFontSize(f_disable) {
	 var exists = false;

	 for(var i=0; li=document.getElementsByTagName("link")[i]; i++) {
	 	if(li.getAttribute("rel").indexOf("style") != -1 && li.getAttribute("title")) {
	 		if(li.getAttribute("title").indexOf("bigfontsize") !=-1) {
	 			exists = 1;
	 			if(f_disable == void(0)) {
	 				f_disable = (li.disabled == true) ? false : true;
	 			}
	 			li.disabled = f_disable;
	 		}
	 	}
	 }
	 // Si le lien vers la css n'existe pas, on le cree
	 if(!exists) {
	 	try {
	 		var link = document.createElement('link');
	 		link.rel = "stylesheet";
	 		link.type = "text/css";
	 		link.href = "/templates/eiffage_templates/css/bigfontsize.css";
	 		link.title = "bigfontsize";
	 		document.body.parentNode.firstChild.appendChild(link);
	 		link.disabled = true;
	 	} catch(err) { alert(err); }
	 }
}