function NewWindow(mypage, myname, w, h, scroll) {
		var winl = (screen.width - w) / 2;
		var wint = (screen.height - h) / 2;
		winprops = 'height='+h+',width='+w+',top='+wint+',left='+winl+',scrollbars='+scroll+',resizable=no'
		win = window.open(mypage, myname, winprops)
		if (parseInt(navigator.appVersion) >= 4) { win.window.focus(); }
	}


	function openLink(mypage) {
	  if(parent.opener){
	    parent.opener.location.href = mypage;
	    parent.opener.focus();
	  }else {
	    location.href = mypage;
	  }
	}
	
	
	function go (select) {
		var wert = select.options[select.options.selectedIndex].value;
		  if (wert == "leer") {
		    select.form.reset();
		  } else if (wert) {
			this.location.href = wert;
			select.form.reset();
		}
	}
	
	


	function mailreverser(str) {
  		var revstr='';
   		for (i = str.length-1; i>=0; i--)
       	revstr+=str.charAt(i)
   
		location.href='mailto:'+revstr;
		}