function disabletext(e){
return false
}

function reEnable(){
return true
}

Event.observe(window, 'load', function() {
	//if the browser is IE4+
	document.onselectstart=new Function ("return false")
	
	//if the browser is NS6
	if (window.sidebar){
	document.onmousedown=disabletext
	document.onclick=reEnable
	}
});