document.oncontextmenu = function(){return false}

function disabletext(e){
	return false
}

function reEnable(){
	return true
}

//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
}