<!--
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];}
}
// PrŸfe auf eine gŸltige E-Mail-Adresse: suche nach @ und .
function istEmail(elm) {
    if (elm.value.indexOf("@") != "-1" &&
        elm.value.indexOf(".") != "-1") {
        return true;
    }
    else {
        return false;
    }
}

// Prüfe auf leere Felder.
function istAusgefuellt(elm) {
    if (elm.value == "" || elm.value == null) {
        return false;
    }
    else {
        return true;
    }
}
function popuph(){
	x = "menubar=no,locationbar=no,width=282,height=400, ";
	fenster=window.open("images/easterbild.png","NF",x);
	fenster.moveTo(190,230);
	fenster.focus();
	}

// Prüfe das gesamte Formular.
function istFertig(form) {
    if (istAusgefuellt(form.anfrname) == false) { // Name?
        alert("Bitte tragen Sie Ihren Namen ein.\n\nPlease write your name.");
        form.anfrname.focus();
        return false;
    }

	if (istEmail(form.email) == false) {     // Echte E-Mail-Adresse?
        alert("Bitte geben Sie eine gueltige E-Mail-Adresse ein.\n\nPlease write a correct email adress.");
        form.email.focus();
        return false;
    }
	if (istAusgefuellt(form.anfrage) == false) { // Anfrage
        alert("Bitte tragen Sie eine Anfrage ein.\n\nPlease write a Note");
        form.anfrage.focus();
        return false;
    }	
return true;
}
//---------------------------------------AJAX -----------------------------------------
/**
 * @var loadingImg - precache the loading gif
 */
var loadingImg = document.createElement('img');
loadingImg.className = 'loadingIcon';

/**
 * sends a request under usage of a loading graphic - targetDiv has to be positioned relative
 *
 * @param linkref - reference to the link element (will be blured)
 * @param target - reference to the target div, the content will be put in
 */
function sendRequest(linkref, target) {
	linkref.blur();

	document.getElementById(target).appendChild(loadingImg);

	var req;
	try {
		req = window.XMLHttpRequest?new XMLHttpRequest(): 
			new ActiveXObject("Microsoft.XMLHTTP"); 
	} catch (e) {
		// no AJAX Support
	}
	req.onreadystatechange = function() {
		if ((req.readyState == 4) && (req.status == 200)) { 
			// it's not necessary to delete the img, cause the content 
			// of the target div will be overwritten in the next line anyway
			// document.getElementById(target).removeChild(loadingImg);
			document.getElementById(target).innerHTML = req.responseText;
		}
	}

	req.open('post', 'pic?i=1.php');
	req.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
	req.send('key=val'); 

	return false; // return false to avoid reload/recentering of the page
}