document.write(''); var MSIE = navigator.appName == "Microsoft Internet Explorer"?true:false; var NN = navigator.appName == "Netscape"?true:false; function blockMouseClick(evt) { if(MSIE && (event.button == 2)){ alert(""); return false; } else if(NN && ((evt.which == 2) || (evt.which == 3))){ alert(""); return false; } } document.onmousedown=blockMouseClick; var HTML = "";HTML = document.getElementById('404cblk').innerHTML;