javascript选择ListBox中一项,将该值ID传到另一个页面.

<script language="javascript">
function showListBoxValue()
{
    var Item = document.getElementById("axLstInchingRight");
    var lstindex = Item.selectedIndex;
    if(lstindex<0)
       return;
    var v = Item.options[lstindex].value;
    var t = Item.options[lstindex].text;
   
    document.getElementById("Hidden1").value = v;
   
 var mDate = "";
 mDate = window.showModalDialog("http://www.cnblogs.com/CommonalityPageLayout/Iframe/wfrmCommonalityIframe.aspx?vURL=http://www.cnblogs.com/EmsLoginSystem/UserManage/wfrmInchingEdit.aspx&vID=" + v, "","status:no;center:yes;scroll:no;resizable:no;help:no;dialogWidth:300px;dialogHeight:350px");
}
</script>