Javascript Essentials Part 2

by Hiroshi on November 1st, 2008

No Right Click (no alert)

Add this script in body tag:

oncontextmenu="return false" ondragstart="return false" onselectstart="return false"

i.e.

<body oncontextmenu="return false" ondragstart="return false" onselectstart="return false">

Use the following script in body section of web page anywhere:

<script language=JavaScript>
var message="";
function clickIE() {if (document.all) {(message);return false;}}
function clickNS(e) {if 
(document.layers||(document.getElementById&&!document.all)) {
if (e.which==2||e.which==3) {(message);return false;}}}
if (document.layers) 
{document.captureEvents(Event.MOUSEDOWN);document.onmousedown=clickNS;}
else{document.onmouseup=clickNS;document.oncontextmenu=clickIE;}
document.oncontextmenu=new Function("return false")
</script>

No Right Click With Alert

simply copy the following script into body of page anywhere.

<script language="JavaScript">
var message="Sorry, that function is disabled.\nThis Page Copyrighted and\nImages and Text protected!\nALL RIGHTS RESERVED"; 
function click(e) {
if (document.all) {
if (event.button == 2) {
alert(message);
return false;
}
}
if (document.layers) {
if (e.which == 3) {
alert(message);
return false;
}
}
}
if (document.layers) {
document.captureEvents(Event.MOUSEDOWN);
}
document.onmousedown=click;
</script>

No Right Click on Images

Add the following script at the end of page right before tag.

<script language="JavaScript1.2">
var clickmessage="Right click disabled on images!"
function disableclick(e) {
if (document.all) {
if (event.button==2||event.button==3) {
if (event.srcElement.tagName=="IMG"){
alert(clickmessage);
return false;
}
}
}
else if (document.layers) {
if (e.which == 3) {
alert(clickmessage);
return false;
}
}
else if (document.getElementById){
if (e.which==3&&e.target.tagName=="IMG"){
alert(clickmessage)
return false
}
}
} function associateimages(){
for(i=0;i<document.images.length;i++)
document.images[i].onmousedown=disableclick;
}
 
if (document.all)
document.onmousedown=disableclick
else if (document.getElementById)
document.onmouseup=disableclick
else if (document.layers)
associateimages()
</script>

Author

Hiroshi (published 103 Posts on Web Style Press, Best Practices from all the Web, Build Better Websites)

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