BLOQUEAR LA TECLA BACKSPACE
Se debe agregar la siguiente función JavaScript en la página o en un archivo .js:
<SCRIPT
LANGUAGE=JAVASCRIPT>
var oLastBtn=0;
bIsMenu = false;
//No Right CLICK************************
// ****************************
If (window.Event)
document.captureEvents(Event.MOUSEUP);
Function nocontextmenu()
{
event.cancelBubble = True
event.returnValue = false;
return false;
}
Function norightclick(e)
{
If (window.Event)
{
If (e.which !=1)
return false;
}
Else
If (event.button !=1)
{
event.cancelBubble = True
event.returnValue = false;
return false;
}
}
document.oncontextmenu = nocontextmenu;
document.onmousedown = norightclick;
//**************************************
// ****************************
// Block backspace onKeyDown************
// ***************************
Function onKeyDown() {
If ( (event.altKey) || ((event.keyCode == 8) &&
(event.srcElement.type != "text" &&
event.srcElement.type != "textarea" &&
event.srcElement.type != "password")) ||
((event.ctrlKey) && ((event.keyCode == 78) || (event.keyCode == 82)) ) ||
(event.keyCode == 116) ) {
event.keyCode = 0;
event.returnValue = false;
}
}
</SCRIPT>
var oLastBtn=0;
bIsMenu = false;
//No Right CLICK************************
// ****************************
If (window.Event)
document.captureEvents(Event.MOUSEUP);
Function nocontextmenu()
{
event.cancelBubble = True
event.returnValue = false;
return false;
}
Function norightclick(e)
{
If (window.Event)
{
If (e.which !=1)
return false;
}
Else
If (event.button !=1)
{
event.cancelBubble = True
event.returnValue = false;
return false;
}
}
document.oncontextmenu = nocontextmenu;
document.onmousedown = norightclick;
//**************************************
// ****************************
// Block backspace onKeyDown************
// ***************************
Function onKeyDown() {
If ( (event.altKey) || ((event.keyCode == 8) &&
(event.srcElement.type != "text" &&
event.srcElement.type != "textarea" &&
event.srcElement.type != "password")) ||
((event.ctrlKey) && ((event.keyCode == 78) || (event.keyCode == 82)) ) ||
(event.keyCode == 116) ) {
event.keyCode = 0;
event.returnValue = false;
}
}
</SCRIPT>
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