IMG in DIV vertikal zentrieren

[Gast]

<div id="headlogobig" style="left: 130px; top: 0px; right: 0px; height: 93px; position: absolute; text-align: center; z-index: 115;">  
<img src="muskatewitz/images/logobig2.png" style="max-width:90%; max-height:100%;">  
</div>