var oLastBtn=0;
bIsMenu = false;
if (window.Event) 
document.captureEvents(Event.MOUSEUP); 
function nocontextmenu()
{ 
event.cancelBubble = true 
event.returnValue = false; 
return false; 
} 
function norightclick(e) 
{ 
if (window.Event) 
{ 
if (e.which !=1) 
return false; 
} 
else 
if (event.button !=1) 
{ 
event.cancelBubble = true 
event.returnValue = false; 
return false; 
} 
} 
document.onmousedown = norightclick; 
document.oncontextmenu = nocontextmenu; 	


function disableselect(e){
return false
}

function reEnable(){
return true
}

//if IE4+
document.onselectstart=new Function ("return false")

//if NS6
if (window.sidebar){
document.onmousedown=disableselect
document.onclick=reEnable
}