Bild01 = new Image();
Bild01.src = "../img/ja_header_bg.jpg";

function popup(url,width,height,props){

	//if(isPopupAllowed()) {
	var props = props+',directories=no,status=no,menubar=no,copyhistory=yes,width='+width+',height='+height;
	var popup = window.open(url,'popup',props);
	if (popup) {
		popup.focus();
		return true;
	} else {
		alert('Bitte deaktivieren Sie Ihren Popup-Blocker für diese Seite.');
		return false;
	}
}

function popupflash(url,width,height,props){

	//if(isPopupAllowed()) {
	var props = props+',directories=no,status=no,menubar=no,copyhistory=yes,width='+width+',height='+height;
	window.open(url,'popup',props);
	
}

function shownav(navid){
	var menu = document.getElementById(navid);
	menu.style.visibility = "visible";

}

function hidenav(navid){
	var menu = document.getElementById(navid);
	menu.style.visibility = "hidden";

	
}

function shownewspic(newspic){
	var menu = document.getElementById("newshometextpic");
	menu.innerHTML='<img src="'+newspic+'">';
}
function hidenewspic(newspic){
	var menu = document.getElementById("newshometextpic");
	menu.innerHTML='<img src="'+newspic+'">';
}


function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr;
  for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) {
	  x.src=x.oSrc;
  }
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}




function isEmail(email) {
	var rx = /^..+@..+\..{2,5}$/;
	return rx.test(email);
}
	 
function checkform(){
	
	if(document.kontakt.vorname.value == "") {
		alert("Bitte geben Sie Ihren Vornamen ein.");
		document.kontakt.vorname.focus();
		return false ;
	}

	if(document.kontakt.name.value == "") {
		alert("Bitte geben Sie Ihren Namen ein.");
		document.kontakt.name.focus();
		return false ;
	}

	if(document.kontakt.firma.value == "") {
		alert("Bitte geben Sie Ihre Firma ein.");
		document.kontakt.firma.focus();
		return false ;
	}
	
	if(isEmail(document.kontakt.email.value)==false){
		alert('Bitte geben Sie eine gültige E-Mail Adresse ein.');
		document.kontakt.email.focus();
		return false;
	}

	
	return true ;
}

function chkFormular () {
  if (document.Formular.telefon.value == "") {
    alert("Bitte Ihre Telefonnummer eingeben!");
    document.Formular.telefon.focus();
    return false;
  }
}