* html div#mySelector{ 
   height: expression( this.scrollHeight > 332 ? "333px" : "auto" ); /* sets max-height for IE */
}

div#mySelector{
max-height: 333px; /* sets max-height value for standards-compliant browsers */
}

* html div#division { 
   height: expression( this.scrollHeight > 332 ? "333px" : "auto" ); /* sets max-height for IE */
   max-height: 333px; /* sets max-height value for all standards-compliant browsers */
}

http://perishablepress.com/press/2007/01/16/maximum-and-minimum-height-and-width-in-internet-explorer/

Thanks to perishablepress.com for this. Below is an example for ie6 max-height.

From their site:
"This method has been verified in IE6 and should also work in IE5. Simply change the values to suit your needs (code commented with explanatory notes). In this example, we are setting the max-height at 333px 1 for IE and all standards-compliant browsers:"

IE 6 Min/Max height using "expression"

ie, ie6

CSS