+
+ // IE actually uses filters for opacity ... elem is actually elem.style
+ if (name == "opacity" && jQuery.browser.msie && value != undefined) {
+ // IE has trouble with opacity if it does not have layout
+ // Would prefer to check element.hasLayout first but don't have access to the element here
+ elem['zoom'] = 1;
+ if (value == 1) // Remove filter to avoid more IE weirdness
+ return elem["filter"] = elem["filter"].replace(/alpha\([^\)]*\)/gi,"");
+ else
+ return elem["filter"] = elem["filter"].replace(/alpha\([^\)]*\)/gi,"") + "alpha(opacity=" + value * 100 + ")";
+ } else if (name == "opacity" && jQuery.browser.msie) {
+ return elem["filter"] ? parseFloat( elem["filter"].match(/alpha\(opacity=(.*)\)/)[1] )/100 : 1;
+ }
+
+ // Mozilla doesn't play well with opacity 1
+ if (name == "opacity" && jQuery.browser.mozilla && value == 1) value = 0.9999;