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//Author: meizz(÷»¨Óê) 2002-6-18
function document.oncontextmenu(){event.returnValue=false;}//ÆÁ±ÎÊó±êÓÒ¼ü
function window.onhelp(){return false} //ÆÁ±ÎF1°ïÖú
function document.onkeydown()
{
if ((window.event.altKey)&&
((window.event.keyCode==37)|| //ÆÁ±Î Alt+ ·½Ïò¼ü ←
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{
alert("²»×¼ÄãʹÓÃALT+·½Ïò¼üǰ½ø»òºóÍËÍøÒ³£¡");
event.returnValue=false;
}
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