Index: src/fx.js
===================================================================
--- src/fx.js	(revision 6300)
+++ src/fx.js	(working copy)
@@ -116,6 +116,9 @@
 					// Store display property
 					opt.display = jQuery.css(this, "display");
 
+					// Store min-height property
+					opt.minHeight = this.style.minHeight;
+
 					// Make sure that nothing sneaks out
 					opt.overflow = this.style.overflow;
 				}
@@ -259,6 +262,10 @@
 		// Set display property to block for height/width animations
 		if ( ( this.prop == "height" || this.prop == "width" ) && this.elem.style )
 			this.elem.style.display = "block";
+		
+		// Disable the min-height property for height animations
+		if ( this.prop == "height" && this.elem.style )
+			this.elem.style.minHeight = "0";
 	},
 
 	// Get the current size
@@ -352,6 +359,9 @@
 					this.elem.style.display = this.options.display;
 					if ( jQuery.css(this.elem, "display") == "none" )
 						this.elem.style.display = "block";
+
+					// Reset the min-height
+					this.elem.style.minHeight = this.options.minHeight;
 				}
 
 				// Hide the element if the "hide" operation was done