// testet, ob ins Suchformular ueberhaupt etwas eingegeben wurde
function checkSubmit(form) {
	//alert(form.s_items.value.length);
	if (form.s_items.value.length == 0) {
		alert("Sie müssen erst einen Suchbegriff eingeben!");
		return false;
	}
	else return true;
}


//popup fuer drucken und empfehlen
var popUpWin=0;
function popUpWindow(URLStr, left, top, width, height)
{
  if(popUpWin)
  {
    if(!popUpWin.closed) popUpWin.close();
  }
  popUpWin = open(URLStr, 'popUpWin', 'toolbar=no,location=no,directories=no,status=no,menub ar=no,scrollbar=no,resizable=no,copyhistory=yes,width='+width+',height='+height+',left='+left+', top='+top+',screenX='+left+',screenY='+top+'');
}

// ecard
function ecard(image,nummer)
{
	//alert("hu!");
	var breite = screen.width;
	var hoehe  = screen.height;
	var oben   = (hoehe - 600)/2;
	var links = (breite-450)/2;
	win=window.open('ecards/ecards.php?mode=restaurant&bild='+image+'&id='+nummer, 'Ecard', 'width=444,height=360,left=' + links + ',top=' + oben + ', status=no,scrollbars=no');
}