function toggleMe(a,b){
var e=document.getElementById(a);
//var f=document.getElementById(this.id);
if(!e)return true;
//alle schliessen
var bereich = document.getElementById("col3_content");
var paragraphs = bereich.getElementsByTagName("div"); 
var links = bereich.getElementsByTagName("a");
      for(var i=0; i<paragraphs.length; i++) {
	paragraphs[i].style.display = "none";
	//links[i].style.border = "solid black 10px";
      }  
//alle schliessen ende

if(e.style.display=="none"){
e.style.display="block";
} else {
e.style.display="none";
} 
/*if(f.style.border=="solid black 10px"){
f.style.border = "solid red 10px";
} else {
f.style.border = "solid black 10px";
}*/
return true;
}
//addEvent(window, 'load', toggleMe('impressum'));