/*NAVI*/
function changeNavi(link,id){
	pic = document.getElementById(id);
	pic.src = link;
}
/*POPUPS*/
function lyricsPopup(site){
	w = 200;
	h = 400;
	x = screen.availWidth/2-w/2;
	y = screen.availHeight/2-h/2;
	options = "width=400,height=450,toolbar=0,scrollbars=1,location=0,statusbar=0,menubar=0,resizable=0"+"left="+x+",top="+y+",screenX="+x+",screenY="+y;
	var popupWindow = window.open(
	site,'',options);
	popupWindow.focus();

}

/*GASTEBUCH*/
var maxTextarea = 1000;

function checkTextarea(e) {
	
	//Pruefen ob die maximale Anzahl an Zeichen erreicht wurde
	if (document.guest_form.form_entry.value.length< maxTextarea + 1){
		document.guest_form.guest_out.value = maxTextarea-document.guest_form.form_entry.value.length;
	} else {
		document.guest_form.form_entry.value = document.guest_form.form_entry.value.substring(0,maxTextarea);
		document.guest_form.guest_out.value = 0;
	}
}