When you have a div-container which has the attribute position-absolute and you put a 2nd div-container inside (which has also a position-absolute attribute) it can happens that Internet Explorer 7 does not interpret this correct.
I had the problem, that the 2nd div-container (which is a fold-out CSS-menu) is larger than the sorrounding div. In IE 7 the CSS-menu lays, in the part outside the sorrounding container, behind those elements. But for a menu you aspect to be the first element in the hierarchy.
Those layer positions can be set using z-index in CSS. The higher the index, the higher the position of the element to users-view. So I set the z-index to a high value but in IE 7 nothing happened.
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