//Default waarde staat in de inc_libfrontend

var textarea, enabled, gecko;
enabled=true
var fsize = 11

window.onload = init

function init(){
	keyPressInit()
}

function keyPressInit() {
	if (document.addEventListener) {
		document.addEventListener("keypress",function(e){keyAction(e)},true);
		if (window.opera) return;
		document.addEventListener("keydown",function(e){keyAction(e)},true);
		gecko = true;
	}else{
		if (document.attachEvent) {
			document.attachEvent("onkeydown", keyAction)
		}
	}
}

function keyAction(e) {
	if (e.altKey || e.ctrlKey) return;
	var Key = e.keyCode;
	if (Key == 0) Key = e.charCode;
	fsize = parseInt(fsize)
	switch (Key) {
		case 107 : case 187 : // +
			fsize = 16;
			document.getElementById('body').className = 'fontsize'+fsize
			document.getElementById('lettertype').innerHTML = 'lettergrootte (groot) <img src="http://www.mijnerfenisgoedgeregeld.nl/img/icon_font.gif" alt="" />';
			updateFontsize(fsize)
		break;
		case 109 : case 189 : // -
			fsize = 11;
			document.getElementById('body').className = 'fontsize'+fsize
			document.getElementById('lettertype').innerHTML = 'lettergrootte <img src="http://www.mijnerfenisgoedgeregeld.nl/img/icon_font.gif" alt="" />';
			updateFontsize(fsize)
		break;
  	}
}

var http_request = false;

function updateFontsize(size) {

		http_request = false;
		if (window.XMLHttpRequest) { // Mozilla, Safari,...
				http_request = new XMLHttpRequest();
				if (http_request.overrideMimeType) {
						http_request.overrideMimeType('text/xml');
				}
		} else if (window.ActiveXObject) { // IE
				try {
						http_request = new ActiveXObject("Msxml2.XMLHTTP");
				} catch (e) {
						try {
						http_request = new ActiveXObject("Microsoft.XMLHTTP");
						} catch (e) {}
				}
		}

		if (!http_request) {
				alert('Giving up :( Cannot create an XMLHTTP instance');
				return false;
		}
		//http_request.onreadystatechange = alertContents;
		http_request.open('GET', 'xml/updateFontSize.xml.asp?size='+ size, true);
		http_request.send(null);
}