弹出窗口总显示在最前面

var newwin=window.open(url,title,'height=550, width=880','alwaysRaised=true;z-look=true');
newwin.focus();

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//关闭子窗口

this.Response.Write("<script language=javascript>window.close();</script>");

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//关闭父窗口

this.Response.Write("<script>");
this.Response.Write("{top.opener =null;top.close();}");
this.Response.Write("</script>");

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//弹出窗口width=200 height=200菜单。

this.Response.Write("<script language=javascript>window.open('rows.aspx','newwindow','width=200,height=200')</script>");

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//弹出窗口刷新当前页面

this.Response.Write("<script>alert('发表成功！');window.opener.location.href=window.opener.location.href;</script>");

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//弹出两个窗口
this.Response.Write("<script language=javascript>window.open('rows.aspx')</script>");
this.Response.Write("<script>window.open('WebForm2.aspx','_blank');</script>");

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//弹出提示窗口跳到webform2.aspx页(在一个IE窗口中)
this.Response.Write(" <script language=javascript>alert('注册成功');window.window.location.href='WebForm2.aspx';</script> ");

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//关闭当前子窗口,刷新父窗口
this.Response.Write("<script>window.opener.location.href=window.opener.location.href;window.close();</script>");
this.Response.Write("<script>window.opener.location.replace(window.opener.document.referrer);window.close();</script>");

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//子窗口刷新父窗口
this.Response.Write("<script>window.opener.location.href=window.opener.location.href;</script>");
this.Response.Write("<script>window.opener.location.href='WebForm1.aspx';</script>");

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//弹出提示窗口.确定后弹出子窗口(WebForm2.aspx)
this.Response.Write("<script language='javascript'>alert('发表成功！');window.open('WebForm2.aspx')</script>");

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//弹出提示窗口,确定后,刷新父窗口
this.Response.Write("<script>alert('发表成功！');window.opener.location.href=window.opener.location.href;</script>");

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//弹出相同的一页
<INPUT type="button" value="Button" onclick="javascript:window.open(window.location.href)">

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//刷新父窗口的frame
Response.Write("parent.mainFrameBottom.location.href='yourwebform.aspx?temp=" +str+"';");

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<SCRIPT LANGUAGE="javascript">
<!--
window.open ('page.html', 'newwindow', 'height=100, width=400, top=0, left=0, toolbar=no, menuba