Blog anti copy - paste script

<script type="text/javascript">
function disableSelection(target){
if (typeof target.onselectstart!="undefined")
target.onselectstart=function(){return false}
else if (typeof target.style.MozUserSelect!="undefined")
target.style.MozUserSelect="none"
else
target.onmousedown=function(){return false}
target.style.cursor = "default"
}
//Sample usages
//disableSelection(document.body)
//disableSelection(document.getElementById("mydiv"))
</script>
<script type="text/javascript">
disableSelection(document.body)
</script>
Some informations of script :
//disableSelection(document.body) = Disable text selecting on the entire body
//disableSelection(document.getElementById("mydiv")) = Disable text selection on element with id="mydiv"
disableSelection(document.body) = Disable text selecting on the entire body of page(s)