<!--
var rclickmsg ="右クリック禁止"

var ie=!!document.all
var n4=!!document.layers
var gk=(navigator.userAgent.match(/Gecko/i)!=null)

function mousedown(e){
if(navigator.platform.indexOf("Mac")!=-1){
if((ie&&event.ctrlKey)||(gk&&e.ctrlKey)||(n4&&e.modifiers==2)){
alert(rclickmsg)
return false
}
}else
if(ie){
e=window.event
if(e.button>=2){
if(event.type=="mouseup"){document.body.createTextRange().select()}
alert(rclickmsg)
return false
}
}else
if((n4||gk)&&e.which==3){
alert(rclickmsg)
return false
}
return true
}

function keydown(){
if(ie){
if(event.keyCode==93){alert(rclickmsg)}
if(event.shiftKey&&event.keyCode==121){alert(rclickmsg)}
}
}

if(n4){
document.captureEvents(Event.MOUSEDOWN)
}
document.onkeydown=keydown
document.onmousedown=mousedown
document.onmouseup=mousedown
document.oncontextmenu=mousedown

//-->