</div> </div> var ww="窗口"宽度; var wh="窗口"高度; function moveWindow(winname) { var h1 = document.body.clientHeight; var h2 = document.documentElement.clientHeight; var isXhtml = (h2<=h1&&h2!=0)?true:false; var body = isXhtml?document.documentElement:document.body; var o=document.getElementById(winname); var lf=(body.clientWidth-ww)/2-50; o.style.left=lf+"px"; o.style.top=(document.body.scrollTop?document.body.scrollTop:document.documentElement.scrollTop) + ((document.documentElement.clientHeight == 0)?document.body.clientHeight:document.documentElement.clientHeight) -wh-200+'px'; if(o.style.display=="") setTimeout("moveWindow('"+winname+"')",20); } function closewindow() { document.getElementById("login").style.display="none"; document.getElementById("opwindow").style.display="none"; } function overclose(o) { o.style.backgroundColor="#F6F2EA"; o.style.color="#F10000"; } function outclose(o) { o.style.backgroundColor="#D4D0C8"; o.style.color="#000000"; }
<div id="opwindowtitle">
<div id="optitle" class="logintitlestr">
</div>
<div id="closeopwindow" onclick="closewindow()" onmouseover="overclose(this)" onmouseout="outclose(this)">
×</div>
</div>
<div id="opcontent">
</div>
</div>
var ww="窗口"宽度;
var wh="窗口"高度; function moveWindow(winname)
{
var h1 = document.body.clientHeight;
var h2 = document.documentElement.clientHeight;
var isXhtml = (h2<=h1&&h2!=0)?true:false;
var body = isXhtml?document.documentElement:document.body; var o=document.getElementById(winname);
var lf=(body.clientWidth-ww)/2-50;
o.style.left=lf+"px";
o.style.top=(document.body.scrollTop?document.body.scrollTop:document.documentElement.scrollTop) +
((document.documentElement.clientHeight == 0)?document.body.clientHeight:document.documentElement.clientHeight)
-wh-200+'px';
if(o.style.display=="")
setTimeout("moveWindow('"+winname+"')",20);
}
function closewindow()
{
document.getElementById("login").style.display="none";
document.getElementById("opwindow").style.display="none";
}
function overclose(o)
{
o.style.backgroundColor="#F6F2EA";
o.style.color="#F10000";
}
function outclose(o)
{
o.style.backgroundColor="#D4D0C8";
o.style.color="#000000";
}
2.浮动元素放在母容器中,用绝对定位:position:absolute3 这样就浮动起来了,一般还要给浮动元素的Z-index设置一个较高的值
<asp:Panel ID="PanelLogin" runat="server">
<asp:TextBox ID="txtLogin" runat="server" Width="146px">
<asp:Button ID="Button1" runat="server" Text="Button" OnClick="Button1_Click" />
<asp:Button ID="CancelBtn" runat="server" Text="Button" /> <cc1:ModalPopupExtender ID="ModalPopupExtender1" runat="server"TargetControlID="hid" PopupControlID="PanelLogin" DropShadow="true" CancelControlID="CancelBtn" Drag="true" BackgroundCssClass="bgcss">
</cc1:ModalPopupExtender>
</asp:Panel>
<input id="hid" type="hidden" runat="server" />