弹出对话框效果

<input type="button" value="听着:别碰我!   
----按下除功能键外的任意键.查看弹出效果.....(没有任何恶意.死机不关我的事!)"
onClick="showMessage()"  align="center" onMouseOver="divShow()"
onmouseout="divInitShow()"><br/><p>&nbsp;</p>&nbsp;
<div id="div1" style="position:absolute;" value=" " align="center" width="500" height="200">
<font color="red"><h2>家伙! 给我过.....来</h2></font></div>
<p>&nbsp;</p><p>&nbsp;</p><p>&nbsp;</p>

<script language="javascript">
function divShow()
{
    var showMessage=document.getElementById("div1");
    showMessage.innerHTML="<font color='red'><h2>别动! 要什么我都给你....</h2></font>";
}
function divInitShow()
{
    var showMessage=document.getElementById("div1");
    showMessage.innerHTML="<font color='red'><h2>家伙! 给我过.....来</h2></font>";
}
function showMessage()
{
    for(var i=0; i<3; i++)
    {
         alert(i+1+"点我干嘛......");
    }
}
function showCode()
{
    if(event.keyCode==13)
    {
        alert("你偷偷按下--Enter--键.被我看到啦.呱呱!");
    }
    else
    {
        var showKey=String.fromCharCode(event.keyCode);
        alert("你按了"+showKey+"键. 嘿嘿!");
        return ;
    } 
}
window.document.onkeydown=showCode;
</script>