<table border=1 width="500" height="500" style="border-collapse:collapse;" oncontextmenu="return false;">
<script>
for(var i=0;i<50;i++){
document.write("<tr>");
for(var j=0;j<50;j++){
document.write("<td onmousedown='if(event.button==2) alert(this.id);' id='td" + (i*50 + j) + "'></td>") }
document.write("</tr>");
}
</script>
</table>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>Test </title>
<style></style>
<script>
function init(){
var tbl = document.getElementById("t1");
for(var i=0;i<50;i++){
var row = tbl.insertRow(i);
for(var j=0;j<50;j++){
var cell = row.insertCell(j);
cell.id = "("+i+","+j+")";
cell.innerHTML = i+""+j;
cell.width = 30;
row.insertBefore(cell,null);
}
}
}
document.onmousedown = function(e){
e = e || event;
target = e.target || e.srcElement;
if(e.button == 2){
alert(target.id);
}
};
</script>
</head>
<body onload="init()">
<table id="t1" border="1" bordercolor="#000000">
</table>
</body>
</html>