function getIEtop(e1){
var e=document.getElementById(e1);
   var t=e.offsetTop;
   
   while(e=e.offsetParent){
      t+=e.offsetTop;
      
   }
   //alert("top="+t+"\nleft="+l);
   return t;
}

function getIEleft(e1){
var e=document.getElementById(e1);
   
   var l=e.offsetLeft;
   while(e=e.offsetParent){
     
      l+=e.offsetLeft;
   }
   //alert("top="+t+"\nleft="+l);
   return l;
}
function viewmenu(id1,id2,id3)
{
    document.getElementById(id1).style.top = getIEtop(id3);
	document.getElementById(id1).style.left = getIEleft(id3)+120;
	document.getElementById(id1).style.display=id2;
}
function viewmenu1(id1,id2,id3)
{
    document.getElementById(id1).style.top = getIEtop(id3)-10;
	document.getElementById(id1).style.left = getIEleft(id3)+0;
	document.getElementById(id1).style.display=id2;
}
function viewmenu2(id1,id2,id3)
{
	document.getElementById(id1).style.display=id2;
}

<!--
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==2 || e.which==3)
return false;
}
else
if (event.button==2||event.button==3)
{event.cancelBubble=true
event.returnValue=false;
return false;
}
}
document.oncontextmenu=nocontextmenu;
document.onmousedown=norightclick;
//-->