function roll() {
	if (document.all) {
		var obj = document.all.submen.className;
		
		if (obj == "closed") {
			document.all.submen.className = "open";
		}
		if (obj == "open") {
			document.all.submen.className = "closed";
		}
	} else {
		var obj = document.getElementById("submen").getAttribute("class");
	
		if (obj == "closed") {
			document.getElementById("submen").setAttribute("class", "open");
		}
		if (obj == "open") {
			document.getElementById("submen").setAttribute("class", "closed");
		}
	}
}

function Timeout() {
	setTimeout('rollout()', 300);
}

function rollout() {
	if (document.all) {
		document.all.submen.className = "closed";
	} else {
		document.getElementById("submen").setAttribute("class", "closed");
	}
}

loet = new Array("loet1", "loet2", "loet3", "loet4", "loet5");

function showloet(id) {
	var obj = document.getElementById(id);
	
	var i=0;
	while (i < loet.length) {
	document.getElementById(loet[i]).style.height = '1px';
	document.getElementById(loet[i]).style.width = '1px';
	i++;
	}
	
	obj.style.height = '430px'
	obj.style.width  = '450px';
}

rohr = new Array("rohr1", "rohr2", "rohr3", "rohr4", "rohr5", "rohr6", "rohr7", "rohr8", "rohr9", "rohr10");

function showrohr(id) {
	var obj = document.getElementById(id);
	
	var i=0;
	while (i < rohr.length) {
	document.getElementById(rohr[i]).style.height = '1px';
	document.getElementById(rohr[i]).style.width = '1px';
	i++;
	}
	
	obj.style.height = '430px'
	obj.style.width  = '450px';
}

rohrend = new Array("rohrend1", "rohrend2", "rohrend3", "rohrend4", "rohrend5", "rohrend6", "rohrend7", "rohrend8", "rohrend9");

function showrohrend(id) {
	var obj = document.getElementById(id);
	
	var i=0;
	while (i < rohrend.length) {
	document.getElementById(rohrend[i]).style.height = '1px';
	document.getElementById(rohrend[i]).style.width = '1px';
	i++;
	}
	
	obj.style.height = '430px'
	obj.style.width  = '450px';
}



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];}
}