vml渐变:怎么让group 容器实现渐变
怎么让下面的group   容器实现渐变

<v:group   ID= "group1 "   style= "WIDTH:700px;HEIGHT:500px "   coordsize= "4900,3500 ">
    <v:line   from= "200,100 "   to= "200,2700 "   style= "Z-INDEX:8;POSITION:absolute "   strokeweight= "1pt ">
        <v:stroke   StartArrow= "classic "/>
    </v:line>
    <v:line   from= "200,2700 "   to= "4500,2700 "   style= "Z-INDEX:8;POSITION:absolute "   strokeweight= "1pt ">
        <v:stroke   EndArrow= "classic "/>
    </v:line>
    <v:rect   style= "WIDTH:4600px;HEIGHT:2900px "   coordsize= "21600,21600 "   fillcolor= "white "   strokecolor= "black ">
        <v:shadow   on= "t "   type= "single "   color= "silver "   offset= "4pt,3pt "> </v:shadow>
    </v:rect>
    <v:shape   style= "position:absolute;left:50;top:2650;WIDTH:1000px;HEIGHT:200px;z-index:8 "   coordsize= "21600,21600 "   fillcolor= "white ">
        <v:textbox   id= "text1 "   inset= "3pt,0pt,3pt,0pt "   align= "center "   style= "font-size:10pt;v-text-anchor:bottom-center-baseline "> 0 </v:textbox>
    </v:shape>
</v:group>

------解决方案--------------------
up