<SCRIPT language="javascript">
function catchRightClick(e){
if(navigator.appName == 'Netscape' && (e.which == 3 || e.which == 2)){
alert("You are not allowed to right click");
return false;
} else if (navigator.appName == 'Microsoft Internet Explorer' && (event.button == 3 || event.button == 2)){
alert("You are not allowed to right click");
return false;
}
return true;
}
<%-- start 090923 --%>
function setElementDisplay(id, op){
var obj=document.getElementById(id);
obj.style.display = op;
}
function showElementByTime(id, time, display) {
if (display == undefined) {
display = 'block';
}
var s = "setElementDisplay('"+ id +"','"+ display +"')";
setTimeout(s, time);
}
function hideElementByTime(id, time) {
var s = "setElementDisplay('"+ id +"','none')";
setTimeout(s, time);
}
function appendHTML(id, html) {
document.getElementById(id).innerHTML += html;
}
<%-- end 090923 --%>
function checkIsIPad() {
var ua = navigator.userAgent;
var isiPad = /iPad/i.test(ua) || /iPhone/i.test(ua);
return isiPad;
}
//document.onmousedown=catchRightClick;
//document.onmouseup=catchRightClick;
if(document.layers)
window.captureEvents(Event.MOUSEDOWN);
if(document.layers)
window.captureEvents(Event.MOUSEUP);
//window.onmousedown=catchRightClick;
//window.onmouseup=catchRightClick;
</SCRIPT>
<script language="javascript">
function pppsssKeepAlive() {
messageBox('<%=mmmmm.hk.aaaa2.alogin.view.text.Text.get("timeout_msg")%>');
var dummy = new Image();
dummy.src = "<%=mmmmm.hk.aaaa2.alogin.view.text.Text.get("front_controller")%>?action=<%=AloginPageNames.ALOGIN_AW001_11_GO%>&time=" + new Date();
setTimeout("keepAlive()", <%=aaaaResourceReader.in.getString("Logout.timeout")%>);
}
setTimeout("pppsssKeepAlive()", <%=aaaaResourceReader.in.getString("Logout.timeout")%>);
</script>
JS中setTimeout()的用法详解
http://www.jb51.net/article/35535.htm