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){ alert(message); return false; } } }
if (document.layers){ document.captureEvents(Event.MOUSEDOWN); document.onmousedown=clickNS4; }
else if (document.all&&!document.getElementById){ document.onmousedown=clickIE4; }
document.oncontextmenu=new Function("return false")

function disableSelection(target){
if (typeof target.onselectstart!="undefined") target.onselectstart=function(){return false}
else if (typeof target.style.MozUserSelect!="undefined") target.style.MozUserSelect="none"
else target.onmousedown=function(){return false}
target.style.cursor = "default"
}