function click(e) {
	if (document.all) {
		if (event.button==2||event.button==3) {
			oncontextmenu='return false';
		}
	}
	if (document.layers) {
		if (e.which == 3) {
			oncontextmenu='return false';
		}
	}
}
if (document.layers) {
	document.captureEvents(Event.MOUSEDOWN);
}
document.onmousedown=click;
document.oncontextmenu = new 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
}