转载Javascrpt模态实现

如图所示:
单击页面上注册时弹出的用户注册模态窗口:

转载Javascrpt模态实现_第1张图片

模态窗口js源码:
function ModalDialog(name,divid,width,height,leftop,topop,color)
{
this.name=name;//名称
this.div=divid;//要放入窗体中的元素名称
this.width=width;//窗体高
this.height=height;//窗体宽
this.leftop=leftop;//左侧位置
this.topop=topop;//上部位置
this.color=color;//整体颜色
this.show=function()//显示窗体
{
document.all(obj.name+"_divshow").style.width=obj.width;
document.all(obj.name+"_divshow").style.height=obj.height;
document.all(obj.name+"_divshow").style.left=obj.leftop;
document.all(obj.name+"_divshow").style.top=obj.topop;
document.all(obj.name+"_mask").style.width=document.body.clientWidth;
document.all(obj.name+"_mask").style.height=document.body.clientHeight;
document.all(obj.name+"_divshow").style.visibility="visible";
document.all(obj.name+"_mask").style.visibility="visible";
}

this.close=function()//关闭窗体
{
document.all(obj.name+"_divshow").style.width=0;
document.all(obj.name+"_divshow").style.height=0;
document.all(obj.name+"_divshow").style.left=0;
document.all(obj.name+"_divshow").style.top=0;
document.all(obj.name+"_mask").style.width=0;
document.all(obj.name+"_mask").style.height=0;
document.all(obj.name+"_divshow").style.visibility="hidden";
document.all(obj.name+"_mask").style.visibility="hidden";
}

this.toString=function()
{
var tmp="<div id='"+this.name+"_divshow' style='position:absolute; left:0; top:0;z-index:10; visibility:hidden;width:0;height:0'>";
tmp+="<table cellpadding=0 cellspacing=0 border=0 width=100% height=100%>";
tmp+="<tr height=28>";
tmp+="<td bgcolor='"+obj.color+"' align=right colspan=3>";
tmp+="</td>";
tmp+="</tr>";
tmp+="<tr>";
tmp+="<td bgcolor='"+obj.color+"' width=2></td>";
tmp+="<td bgcolor=#ffffff id='"+this.name+"_content' valign=top> </td>";
tmp+="<td bgcolor='"+obj.color+"'width=2></td>";
tmp+="</tr>";
tmp+="<tr height=2><td bgcolor='"+obj.color+"' colspan=3></td></tr>"
tmp+="</table>";
tmp+="</div>";
tmp+="<div id='"+this.name+"_mask' style='position:absolute; top:0; left:0; width:0; height:0; background:#666; filter:ALPHA(opacity=60); z-index:9; visibility:hidden'></div>";

document.write(tmp);
document.all(this.name+"_content").insertBefore(document.all(this.div));
}
var obj=this;
}


页面调用
<html xmlns="http://www.w3.org/1999/xhtml">
<head id="Head1" runat="server">
<title>登录</title>
<script src="js/ModalDialog2.js" type="text/jscript"></script>
<script language="JavaScript">
var md=new ModalDialog2("md","frm_reg",300,200,100,100,"#ff0000");

//显示注册窗口
function uRegShow()
{
md.show();
return false;
}
//关闭注册窗口
function uRegdisplay()
{
md.close();
return false;
}
</script>
</head>
<body >
<form id="Form1" name="form1" runat=server>
<a href='' onclick="javascript:return uRegShow();">注册</a>
<div style="display: none;">
<table id=frm_reg width=200 height=200>
<tr>
<td colspan=2>用户注册</td>
</tr>
<tr>
<td>name</td>
<td><asp:TextBox ID="TextBox1" runat="server"></asp:TextBox></td>
</tr>
<tr>
<td>pass</td>
<td><asp:TextBox ID="TextBox2" runat="server"></asp:TextBox></td>
</tr>
<tr>
<td>
<button > 确定</button>
</td>
<td>
<button onclick="uRegdisplay();"> 关闭 </button>
</td>
</tr>
</table>
</div>
</form>
<script language="javascript" type="text/javascript">
md.toString();
</script>
</body>
</html>

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