How to stop visitors from stealing your blog content | Template Doctor

Log in blogger / Dashboard --> Design --> Add Gadget - scroll down --> HTML/JavaScript --> copy the next code and past in in HTML/JavaScript text box area

<script language="JavaScript">
<!--  
//Disable right mouse click Script
//By Maximus (maximus@nsimail.com) w/ mods by DynamicDrive
//For full source code, visit http://www.dynamicdrive.com  
var message="Function Disabled!";  

///////////////////////////////////
function clickIE4(){
if (event.button==2){
alert(message);
return false;
}
}  
function clickNS4(e){
if (document.layers||document.getElementById&&!document.all){
if (e.which==2||e.which==3){ alert(message); return false;
}
}
}  
if (document.layers){
document.captureEvents(Event.MOUSEDOWN);
document.onmousedown=clickNS4;
}
else if (document.all&&!document.getElementById){
document.onmousedown=clickIE4;
}  
document.oncontextmenu=new Function("alert(message);return false")  
// -->
</script>