function showhide(name) {
	var e = document.getElementById(name);
	e.style.display = (e.style.display == 'block') ? 'none' : 'block';
}

function menToggle (eins, zwei) {
  var style1 = document.getElementById(eins).style.display;
  var style2 = document.getElementById(zwei).style.display;
  if (style1 != style2) {
    showhide (eins);
    showhide (zwei);
  }
}


getElementsByClassName = function (c) {
    var ret = new Array();
    var j = 0;
    var objs = document.all ?
        document.all : document.getElementsByTagName("*");
    for(i = 0;i<objs.length;i++){
        if(objs[i].className == c){
            ret[j] = objs[i];
            j++;
        } // if
    } // for
    return ret;
}

altTable = function (c) {	
 if(document.getElementsByTagName){  
 	 var tabellen = getElementsByClassName(c);
  
   for(i = 0;i<tabellen.length;i++){
	 	 var rows = tabellen[i].getElementsByTagName("tr");  
   		for(ii = 0; ii < rows.length; ii++){          
 	   		if(ii % 2 == 0){
       		rows[ii].className = "even";
     		}else{
       		rows[ii].className = "odd";
     		}      
   		}
   }
 }
}