// JavaScript Document

function trans1(fenster) {
	    if (document.getElementById) {
          if (document.getElementById(fenster).style.display == "none") {
		    document.getElementById(fenster).style.display = "block";
		  } else {
		    document.getElementById(fenster).style.display = "none";
		  }
		}
      }
	  
function trans2(fenster) {
	    if (document.getElementById) {
          if (document.getElementById(fenster).style.display == "none") {
		    document.getElementById(fenster).style.display = "block";
		  } else {
		    document.getElementById(fenster).style.display = "none";
		  }
		}
      }