chinax.jianzhanzj.com/e/data/rightmenu/contextmenu.css

 .WebFX-ContextMenu 		{
							border: 0;/*2px outset;*/
							width:  10px;
						}

.WebFX-ContextMenu-Body {
							background-color: Menu;
							margins:	0px;
							padding:	1px;
							border: 2px outset;
						}
						
.WebFX-ContextMenu-Item {
                			cursor:			default;
							font:	menu;
							color:	MenuText;
							width:	100%;
							padding: 2px 16px 2px 16px;

						}

.WebFX-ContextMenu-Over {
                			cursor:			default;
                			background-color: highlight;
							font:				menu;
							width:	100%;
							padding: 2px 16px 2px 16px;
							color: highlighttext;
						}

.WebFX-ContextMenu-Disabled {
                			cursor:			default;
							font: menu;
							width:	100%;
							padding: 2px 16px 2px 16px;
							color:graytext;
							}

.WebFX-ContextMenu-Disabled-Over {
                			cursor:			default;
                			background-color: highlight;
							font:	menu;
							width:	100%;
							padding: 2px 16px 2px 16px;
							color: graytext;
							}
				
.WebFX-ContextMenu-Separator
{
							font-size:      0pt;
							border:         1px inset;
							height:         2px;
							overflow:       hidden;
							margin:			3px 1px 3px 1px;
}

.WebFX-ContextMenu-Disabled-Over .WebFX-ContextMenu-DisabledContainer
 {
	display: block;
	width: 100%;
	vertical-align:	center;
}

/*very nice hack by erik below */
.WebFX-ContextMenu-Disabled .WebFX-ContextMenu-DisabledContainer
 {
	display:			block;
	background:			GrayText;
	filter:				chroma(color=#010101) dropshadow(color=ButtonHighlight, offx=1, offy=1);
	width:				100%;
	vertical-align:		center;
}

.WebFX-ContextMenu-Disabled .WebFX-ContextMenu-DisabledContainer .WebFX-ContextMenu-DisabledContainer
{
	background:			Transparent;
	filter:				gray()
						/* Remove all bright shades of gray */
						chroma(color=#ffffff) chroma(color=#fefefe) chroma(color=#fdfdfd)
						chroma(color=#fcfcfc) chroma(color=#fbfbfb) chroma(color=#fafafa)
						chroma(color=#f9f9f9) chroma(color=#f8f8f8) chroma(color=#f7f7f7)
						chroma(color=#f6f6f6) chroma(color=#f5f5f5) chroma(color=#f4f4f4)
						chroma(color=#f3f3f3) 
						mask(color=#010101);
}

.WebFX-ContextMenu-Disabled-Over .WebFX-ContextMenu-DisabledContainer .WebFX-ContextMenu-DisabledContainer
{

}