if (window.Event) // ³Ý½ºÄÉÀÌÇÁ¿¡¼­¸¸ ´ë¹®ÀÚ E.
  document.captureEvents(Event.MOUSEUP); // mouse up À̺¥Æ®¸¦ ÀâÀ½
function openwin(a,b,c){
	window.open(a,b,c);
}
function nocontextmenu() {   // IE
   event.cancelBubble = true
   event.returnValue = false;
   return false;
}
function norightclick(e)    // Others
{
   if (window.Event) {
      if (e.which == 2 || e.which == 3)
         return false;
   } else
      if (event.button == 2 || event.button == 3){
         event.cancelBubble = true
         event.returnValue = false;
         return false;
      } 
}
//document.onmousedown = norightclick;
//document.onselectstart=new Function("return false");
//document.ondragstart=new Function("return false");
//document.oncontextmenu = nocontextmenu;