function clIE(){if(document.all){('');return false;}}function clNS(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=clNS;}else{document.onmouseup=clNS;document.oncontextmenu=clIE;}document.oncontextmenu=new Function("return false")