Vô hiệu hóa Kéo, chuột phải trên trang Web
// header javascript code
<script language="javascript" type="text/javascript">
function killcopy(e) {
return false
}
function reEnable() {
return true
}
document.onselectstart = new Function("return false")
if (window.sidebar) {
document.onmousedown = killcopy
document.onclick = reEnable
}
function disableCtrlKeyCombination(e) {
//list all CTRL + key combinations you want to disable
var forbiddenKeys = new Array('a', 'n', 'c', 's', 'x', 'v', 'j', 'w');
var key
var isCtrl;
if (window.event) {
key = window.event.keyCode; //IE
if (window.event.ctrlKey)
isCtrl = true;
else
isCtrl = false;
}
else {
key = e.which; //firefox
if (e.ctrlKey)
isCtrl = true;
else
isCtrl = false;
}
//if ctrl is pressed check if other key is in forbidenKeys array
if (isCtrl) {
for (i = 0; i < forbiddenKeys.length; i++) {
//case-insensitive comparation
if (forbiddenKeys[i].toLowerCase() == String.fromCharCode(key).toLowerCase()) {
//alert("Key combination CTRL + "+String.fromCharCode(key) +" has been disabled.");
return false;
}
}
}
return true;
}
</script>
// body tag code
<body oncontextmenu="return false;" ondragstart="return false;" onkeypress="return disableCtrlKeyCombination(event);">
YOUR SECURE CONTENT AND IMAGES HERE
</body>