function fangeistplayer() {
	function PopUp(w,h,ziel,windowname) {
	  h = h - 20; var x=0, y=0, parameter="";
	  if (w < screen.availWidth || h < screen.availHeight) {
		x = (screen.availWidth - w - 12) / 2;
		y = (screen.availHeight - h - 104) / 2;
		if (window.opera) y = 0; // Opera positioniert unter den Symbolleisten
		if (x<0 || y<0) { x=0; y=0; }
		else parameter = "width=" + w + ",height=" + h + ",";
	  }
	  parameter += "left=" + x + ",top=" + y;
	  parameter += ",menubar=no,location=no,toolbar=no,status=no";
	  parameter += ",resizable=no,scrollbars=no";
	  var Fenster = window.open(ziel,windowname,parameter);
	  if (Fenster) Fenster.focus();
	  return !Fenster;
	}
	PopUp(920,440,'http://www.fangeist.de/player/player.htm','fangeistplayer')
}


function hoverOne() {
	document.getElementById("leadOne").style.backgroundPosition="bottom";	
	document.getElementById("leadTwo").style.backgroundPosition="top";	
	document.getElementById("leadThree").style.backgroundPosition="top";
	
	document.getElementById("rightlead1").style.display="block";
	document.getElementById("rightlead2").style.display="none";
	document.getElementById("rightlead3").style.display="none";
	
	document.getElementById("imagelead1").style.display="block";
	document.getElementById("imagelead2").style.display="none";
	document.getElementById("imagelead3").style.display="none";
};

function hoverTwo() {
	document.getElementById("leadOne").style.backgroundPosition="top";	
	document.getElementById("leadTwo").style.backgroundPosition="bottom";	
	document.getElementById("leadThree").style.backgroundPosition="top";	

	document.getElementById("rightlead1").style.display="none";
	document.getElementById("rightlead2").style.display="block";
	document.getElementById("rightlead3").style.display="none";
	
	document.getElementById("imagelead1").style.display="none";
	document.getElementById("imagelead2").style.display="block";
	document.getElementById("imagelead3").style.display="none";
};

function hoverThree() {
	document.getElementById("leadOne").style.backgroundPosition="top";	
	document.getElementById("leadTwo").style.backgroundPosition="top";	
	document.getElementById("leadThree").style.backgroundPosition="bottom";	
	
	document.getElementById("rightlead1").style.display="none";
	document.getElementById("rightlead2").style.display="none";
	document.getElementById("rightlead3").style.display="block";

	document.getElementById("imagelead1").style.display="none";
	document.getElementById("imagelead2").style.display="none";
	document.getElementById("imagelead3").style.display="block";
};

function checkmail(s)
{
 var a = false;
 var res = false;
 if(typeof(RegExp) == 'function')
 {
  var b = new RegExp('abc');
  if(b.test('abc') == true){a = true;}
  }

 if(a == true)
 {
  reg = new RegExp('^([a-zA-Z0-9\\-\\.\\_]+)'+
                   '(\\@)([a-zA-Z0-9\\-\\.]+)'+
                   '(\\.)([a-zA-Z]{2,4})$');
  res = (reg.test(s));
 }
 else
 {
  res = (s.search('@') >= 1 &&
         s.lastIndexOf('.') > s.search('@') &&
         s.lastIndexOf('.') >= s.length-5)
 }
 return(res);
}

function empfehlencheck() {
	from_name = true;
	to_name = true;
	from_mail = true;
	to_mail = true;
	
	if(document.getElementById('from_name').value == '') {
		from_name = false;
		document.getElementById('from_name').style.backgroundColor = "#f8b1b0";
	}
	
	if(document.getElementById('to_name').value == '') {
		to_name = false;
		document.getElementById('to_name').style.backgroundColor = "#f8b1b0";
	}
	
	if(!checkmail(document.getElementById('from_mail').value)) {
		from_mail = false;
		document.getElementById('from_mail').style.backgroundColor = "#f8b1b0";
	}
	
	if(!checkmail(document.getElementById('to_mail').value)) {
		to_mail = false;
		document.getElementById('to_mail').style.backgroundColor = "#f8b1b0";
	}
	
	if(from_name && to_name && from_mail  && to_mail) {
		return true;
	}
	else {
		return false;
	}
}