添加js事件
function disableselect(e){
return false}
function reEnable(){return true
}
file://if IE4+
document.onselectstart=new Function ("return false")
file://if NS6
if (window.sidebar){
document.onmousedown=disableselect
document.onclick=reEnable
}
function nocontextmenu(event){
event = event || window.event;
if (event.which == 2 )
event.returnValue = false;
return false;
}
document.oncontextmenu = nocontextmenu;
