function switch_m2(){
	var rnd = Math.floor(0+(2-0+1)*(Math.random()));
	Output = new Array(3);
	Output[0]=new Array('Competences in','Artifact Removal','Dose Reduction','Image Reconstruction','Scanner Calibration','Scanner Design');
	Output[1]=new Array('Expert in','Industrial Tomography','Luggage Inspection','Medical CT','Process Tomography','Tomosynthesis');
	Output[2]=new Array('Leading in','Cost Efficiency','Dose Usage','Image Quality','Reconstruction Speed','CT Performance');
	document.getElementById('m2_li_1').innerHTML=Output[rnd][1];
	document.getElementById('m2_li_2').innerHTML=Output[rnd][2];
	document.getElementById('m2_li_3').innerHTML=Output[rnd][3];
	document.getElementById('m2_li_4').innerHTML=Output[rnd][4];
	document.getElementById('m2_li_5').innerHTML=Output[rnd][5];
	document.getElementById('m2_head').innerHTML=Output[rnd][0];
	}
function anzeigen(das){
	var submenu = "submenu_"+das;
	var bgr = "nav_"+das;
	var linkColor ="nav_"+das+"_toplink_link";
	var border ="nav_"+das+"_toplink";
 	if(document.getElementById(submenu).style.display=='none'){ 	
		document.getElementById(submenu).style.display='block'; 
		//document.getElementById(bgr).style.backgroundColor="black";//Hintergrundfarbe setzen
		document.getElementById(bgr).style.backgroundImage="url(pix/hg_menue_aktiv.gif)";//Hintergrundfarbe setzen
		document.getElementById(linkColor).style.color="white";//Linkfarbe setzen
		document.getElementById(border).style.border="1px solid #5c5d5f";//Rahmenfarbe setzen
		document.getElementById(border).style.borderBottom="0";//Rahmen auf 0 setzen
		//alert(currentId);
 	}
 else{
 	var submenu = "submenu_"+das;
	var bgr = "nav_"+das;
	var linkColor ="nav_"+das+"_toplink_link";
	var border ="nav_"+das+"_toplink";
 	document.getElementById(submenu).style.display='none';
	if(currentId!=das){//Aktueller Menuepunkt bleibt markiert
		document.getElementById(bgr).style.backgroundImage="none";//Hintergrundfarbe setzen
		document.getElementById(linkColor).style.color="gray";//Schriftfarbe setzen
	}
	document.getElementById(bgr).style.backgroundColor="white";//Hintergrundfarbe setzen
	document.getElementById(border).style.border="1px solid silver";//Hintergrundfarbe setzen
	document.getElementById(border).style.borderBottom="0";//Tab border 0 setzen
 }



}