Vml:制作的一款带有图形警告效果的IP地址输入框

<html xmlns:v="urn:schemas-microsoft-com:vml">

<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<meta name="GENERATOR" content="Microsoft FrontPage 4.0">
<meta name="ProgId" content="FrontPage.Editor.Document">
<title>IP-like Input</title>
<style>

</style>
</head>

<body bgcolor=threedface>
<div id="alertInfoDiv" style="position: absolute; left:100; top:40; display:none">
<v:roundrect strokecolor="black" fillcolor="infobackground" style="position:relative;left:30;top:5;width:130px;height:40px;z-index:9">
<v:shadow on="t" type="single" color="silver" offset="3pt,-3pt"></v:shadow>
<v:textbox id="alertInfo" style="font-family:Arial,Tahoma;font-size:10pt;color:infotext;line-height:18px" inset="2px,2px,2px,2px"></v:textbox>
</v:roundrect>
<v:oval strokecolor="black" fillcolor="infobackground" style="position:relative;left:-120;top:20;width:14px;height:10px;z-index:8">
<v:shadow on="t" type="single" color="silver" offset="3pt,-3pt"></v:shadow>
</v:oval>
<v:oval strokecolor="black" fillcolor="infobackground" style="position:relative;left:-160;top:32;width:10px;height:8px;Z-index:7">
<v:shadow on="t" type="single" color="silver" offset="3pt,-3pt"></v:shadow>
</v:oval>
</div>
IP地址输入栏：
<div style="position: absolute; left: 50; top:115; text-align: center; vertical-align: middle;">

<script>
IPlikeInputStr = "";
IPlikeInputStr += '<div class="IPDiv">';
for (i=0;i<4;i++) {
IPlikeInputStr += '<input class="IPInput" name="IPInput'+i+'" type="text" size="3" maxlength="3" onkeypress="keyHandle()" onkeyup="checkInput()">'+((i==3) ? '' : '.');
}
IPlikeInputStr += '</div>';
document.write(IPlikeInputStr);

function keyHandle() {
if (event.keyCode<48||event.keyCode>57) {
event.returnValue = false;
}
}

function checkInput() {
if (event.srcElement.name=="IPInput0") {
if (event.srcElement.value==0&&event.srcElement.value.length==3) {
event.srcElement.value="1";
VMLAlert("请输入一个界于1和223之间的数值。",67);
//alert("请输入一个界于1和223之间的数值。");
event.srcElement.select();
}
if (event.srcElement.value>223) {
event.srcElement.value="223";
VMLAlert("请输入一个界于1和223之间的数值。",67);
//alert("请输入一个界于1和223之间的数值。");
event.srcElement.select();
}
}

else {
if (event.srcElement.value>255) {
event.srcElement.value="255";
var theSrcName = event.srcElement.name;
var theAlertPos = theSrcName=="IPInput1" ? 95 : (theSrcName=="IPInput2" ? 122 :150);
VMLAlert("请输入一个界于0和255之间的数值。",theAlertPos);
//alert("请输入一个界于0和255之间的数值。")
event.srcElement.select();
}
}
}

function VMLAlert(alertText,alertPos) {
with (document.all) {
alertInfo.innerHTML = alertText;
alertInfoDiv.style.left = alertPos;
alertInfoDiv.style.display = "";
}
setTimeout('document.all.alertInfoDiv.style.display = "none"',3000);

}
</script>

</div>

</body>

</html>