function navi_show(element){
           element.className += "hover";
   }
 function navi_hide(element){
           element.className = element.className = "";
     }

function menue_show(welches) {
	menue_hide();
     document.getElementById(welches).getElementsByTagName('ul')[0].style.display = "block";
}

function menue_hide() {
     /* document.getElementById(welches).style.display = "none"; */
	document.getElementById("navi_first").getElementsByTagName('ul')[0].style.display = "none";
	document.getElementById("navi_middle").getElementsByTagName('ul')[0].style.display = "none";
	document.getElementById("navi_last").getElementsByTagName('ul')[0].style.display = "none";
}

/*
var jQuery_tar=jQuery.noConflict();jQuery_tar(document).ready(function(){jQuery_tar("a[rel=external]").attr("target","_blank");});
*/