function hide_submenu(objName){
	    objectID = document.getElementById('submenu_'+objName);
		objectID.className = 'submenu_dropdown';
   }

   function show_submenu(objName){
	    objectID = document.getElementById('submenu_'+objName);
		objectID.className = '';
   }

   function MM_swapImgRestore() { //v3.0
    var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
   }

   function MM_preloadImages() { //v3.0
    var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
   }

   function MM_findObj(n, d) { //v4.01
    var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
    if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
    for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
    if(!x && d.getElementById) x=d.getElementById(n); return x;
   }

   function MM_swapImage() { //v3.0
    var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
    if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}

    if(a[2].match('technik'))
    {
    	if(a[0] != 'technik')
    	{
	    	x=document.getElementById('technik');
			x.src='i/1/technik.gif';
    	}
    	show_submenu('technik');
    } else {
    	hide_submenu('technik');
    }
    
    if(a[2].match('postproduktion'))
    {
    	if(a[0] != 'postproduktion')
    	{
	    	x=document.getElementById('postproduktion');
			x.src='i/1/postproduktion.gif';
    	}
    	show_submenu('postproduktion');
    } else {
    	hide_submenu('postproduktion');
    }
   }