禁止复制和选择

禁止复制和选择

控制某些元素内容不可复制：

function  disableSelection(target)
{
     if  ( typeof  target.onselectstart != " undefined " )  // IE route
    {
        target.onselectstart = function ()
        {
             return   false ;
        }
    } else   if ( typeof  target.style.MozUserSelect != " undefined " )  // Firefox route
    {
        target.style.MozUserSelect = " none " ;
    } else   // All other route (ie: Opera)
    {
        target.onmousedown  =   function ()
        {
             return   false ;
        }
        
        target.style.cursor  =   " default " ;
    }
}