//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
}

function clickIE4(){
	if (event.button==2){
		return false;
	}	
}

function clickNS4(e){
	if (document.layers||document.getElementById&&!document.all){
		if (e.which==2||e.which==3){
			return false;
		}
	}
}

if (document.layers){
	document.captureEvents(Event.MOUSEDOWN);
	document.onmousedown=clickNS4;
} else if (document.all&&!document.getElementById){
	document.onmousedown=clickIE4;
}

<!-- setInterval("window.clipboardData.clearData()",20) -->
document.oncontextmenu=new Function("return false")

// -->