function spaceNavField() {
	// alert("spaceNavField")
	leftNavDiv 		   = document.getElementById("leftnav");
	headerNavSpacerDiv = document.getElementById("headerNavSpacer")
	limit = 100
	// alert(leftNavDiv)
	if (headerNavSpacerDiv && leftNavDiv) {
		if (leftNavDiv.offsetHeight > limit) {
			headerNavSpacerDiv.style.height = (leftNavDiv.offsetHeight - limit) + 'px';
		}
	}
}


// R O L L O V E R   K L A P P N A V I G A T I O N 
// mousover, mouseout auf dem li.
// Layer-divs mussen Childelemente von li sein.
// function contains muss fuer Moz bereitstehen
if(!document.all) {
	HTMLElement.prototype.contains = function(node) {
		if (node == null)
			return false;
		if (node == this)
			return true;
		else
			return this.contains(node.parentNode);
	}
}
function show(e,layerNb) {
	// alert(layerNb)
	// Login, Sprachauswahl ausblenden
	if (document.getElementById('login')) document.getElementById('login').style.display='none'
	if(document.getElementById('versionselector_div')) document.getElementById('versionselector_div').style.display='none'
		
	L = document.getElementById("layer_"+layerNb)
	if (L) {
		L.style.display = "inline"
		
		/*
		alert(			"layerNb " 	+ 		layerNb					+ "\n" + 
						"L.style.top "   	+ L.style.top 			+ "\n" + 
						"L.style.left "  	+ L.style.top 			+ "\n" + 
						"L.style.display "  + L.style.display 		+ "\n" + 
						"L.offsetTop "  	+ L.offsetTop 		+ "\n" + 
						""
		)
		*/
	}
}
function hide(evt,layerNb,thisid,exception) {
	evt = evt ? evt : event;

	
	if (thisid)	L = document.getElementById(thisid)
	else 		L = document.getElementById("layer_"+layerNb)
	if (L) {
	// report(   "#" + thisid + " " +exception  + " evt.toElement " + evt.relatedTarget )
	if (    document.getElementById(exception) != (evt.relatedTarget || evt.toElement)     ) {
		if (!L.contains(evt.relatedTarget || evt.toElement)) {
			L.style.display = "none"
		}
	}
	}
}
// end Rollover Klappnaviagtion























var stopRollout = '';

function rollLayer(e,button,id,mode) {
	//e = (e) ? e : window.event;
	//el = (e.currentTarget) ? e.currentTarget : el;  
	//el = e.currentTarget ? e.target : e.srcElement; 
	//alert(id)
	targetLayer = document.getElementById(id)
	// alert(e.srcElement.nodeName)
	
	
	if (mode == 1) {
			_left = absLeft(button)
			_top = absTop(button)
			targetLayer.style.left = _left;
			targetLayer.style.top  = (_top + button.offsetHeight) +'px';
			targetLayer.style.display = 'block'
			
			// Ausblenden von Login oder Sprachauswahl
	} else {
		window.setTimeout('rollOutLayer("' + id +'")',200)
	}
}

function rollOutLayer(id) {
	if (!stopRollout) {
 		document.getElementById(id).style.display = 'none'
		// stopRollout = '';
	}
	stopRollout = '';
}