Copy Code code as follows:
<script language= "JavaScript" >
Prohibit using F5 key
function Document.onkeydown ()
{
if (event.keycode==116)
{
Event.keycode = 0;
Event.cancelbubble = true;
return false;
}
}
Disable Right-click pop-up menu
function Document.oncontextmenu ()
{
return false;
}
The following code implements full screen display
function Window.onload () {
var Request = new Array ()//Save Parameters
var s = location.search.substring (1);
if (s && s!= "") {
var list = S.split ("&");
for (Var i=0 i < list.length; i++) {
var pair = List[i].split ("=");
if (Pair[0] && pair[0]!= "") {
Request[unescape (pair[0])] = unescape (pair[1]);
}
}
}
var fullscreen=request["fullscreen"];
if (fullscreen!= "yes") {
var file =self.location;
var a = window.open ("About:blank", "", "Fullscreen=yes")
Self.opener=null
Self.close ()
A.location=file + "Fullscreen=yes";
}
}
</script>
<script language= "Javascript" ><!--
Screen the right mouse button, CTRL + N, SHIFT+F10, F11, F5 refresh, backspace key
Author:meizz (Plum blossom rain) 2002-6-18
function Document.oncontextmenu () {event.returnvalue=false;} Mask right mouse button
function Window.onhelp () {return false}//Shield F1 Help
function Document.onkeydown ()
{
if ((Window.event.altKey) &&
((window.event.keycode==37) | |//Shielding ALT + Direction key ←
(window.event.keycode==39))) Shielding Alt + Direction key →
{
Alert ("You are not allowed to use ALT + arrow keys forward or back page!") ");
Event.returnvalue=false;
}
* Note: This is not really shielding ALT + arrow keys,
Because ALT + ARROW keys pop-up warning box, hold down the ALT key,
With the mouse point off the warning box, this shielding method is invalid. Later if
There is a master who has really shielded the Alt key method, please inform. */
if ((event.keycode==8) | |//SHIELDING BACKSPACE Delete key
(event.keycode==116) | | Mask F5 Refresh Key
(Event.ctrlkey && event.keycode==82)) {//ctrl + R
event.keycode=0;
Event.returnvalue=false;
}
if (event.keycode==122) {event.keycode=0;event.returnvalue=false;}//Mask F11
if (Event.ctrlkey && event.keycode==78) Event.returnvalue=false; Block CTRL + N
if (Event.shiftkey && event.keycode==121) Event.returnvalue=false; Shielding SHIFT+F10
if (Window.event.srcElement.tagName = "A" && Window.event.shiftKey)
Window.event.returnValue = false; Screen shift plus left mouse button new page open
if ((Window.event.altKey) && (window.event.keycode==115))//Shielding ALT+F4
{
Window.showmodelessdialog ("About:blank", "" "," dialogwidth:1px;dialogheight:1px ");
return false;
}
}
</script>
