屏蔽enter键
<script language="javascript">
function loadf(){
document.form1.onkeydown=function(e){
var evt=e||window.event;
ecd=evt.keyCode||evt.which;
if(ecd==13){
if(e==undefined){evt.keyCode=0;}
return false;
}
}
}
</script>
<body onload="loadf();">
<form name="form1" action="" method="post">
<input type="submit" value="【删除所选新闻】" />
</form>
