Bloquear accção de seleccionar texto

Vá em editar HTML e antes do </head> coloca este código e depois em guardar.

<script language="JavaScript1.2">

//Disable select-text script (IE4+, NS6+)- By Andy Scott

//Exclusive permission granted to Dynamic Drive to feature script

//Visit http://www.dynamicdrive.com/ for this script

function disableselect(e){

return false

}

function reEnable(){

return true

}

//if IE4+

document.onselectstart=new Function ("return false")

//if NS6

if (window.sidebar){

document.onmousedown=disableselect

document.onclick=reEnable

}

</script>