document.onmousemove = getPointerPos;
	var aX = 10;
	var aY = 15;	
	function sprechblaseEin(id) 
	{
		elementId = 'text' + id;
		document.getElementById('sprechblase').style.visibility='visible';
		document.getElementById('sprechblaseText').innerHTML = '<b>Beschreibung:</b> ' + document.getElementById(elementId).innerHTML;
	}
	function sprechblaseAus() 
	{
		document.getElementById('sprechblase').style.visibility='hidden';
	}
	function getPointerPos(e) 
	{
		if(!e)
			e = window.event;
		
		if (self.pageYOffset) {
			
			sX = self.pageXOffset;
			sY = self.pageYOffset;
		}
		
		else if (document.documentElement && document.documentElement.scrollTop) {
			
			sX = document.documentElement.scrollLeft;
			sY = document.documentElement.scrollTop;
		}
		
		else if (document.body) {
			
			sX = document.body.scrollLeft;
			sY = document.body.scrollTop;
		}
		
		pX = e.clientX;
		pY = e.clientY;
	}	
	function sprechblasePosition() {
		var tX;
		var tY;
		var t = document.getElementById('sprechblase');
		
		
		if(screen.availHeight - pY - t.offsetHeight - aY - 180 < 0)
			tY = pY + sY - t.offsetHeight -aY;
		
		else
			tY = pY + aY + sY;
		
		
		if(screen.availWidth - pX - t.offsetWidth - aX - 30 < 0)
			tX = pX + sX - t.offsetWidth -aX;
		
		else
			tX = pX + aX + sX;
		
		t.style.left  = tX + 'px';
		t.style.top = tY + 'px';
	}