function HideRoll(drop, subgroupId) {
   drop.style.visibility='hidden';
   var subgroup = document.getElementById('subgroup-'+subgroupId);
   var senderA = document.getElementById('subgroup-'+subgroupId+'-link');
}


function ShowRoll(drop, subgroupId) {
   drop.style.visibility='visible';
   var subgroup = document.getElementById('subgroup-'+subgroupId);
   var senderA = document.getElementById('subgroup-'+subgroupId+'-link');
}


function SubgroupMouseOut(subgroup, subgroupId) {
   var senderA = document.getElementById('subgroup-'+subgroupId+'-link');
}


function DropMenu(sender, dropObj, subgroupId, topout, leftout) {
if (!leftout) {leftout=140;}
if (!topout) {topout=-1;}
   var senderA = document.getElementById('subgroup-'+subgroupId+'-link');
   var dropObj = document.getElementById(dropObj);
   var top=sender.offsetTop;
   var left=sender.offsetLeft;
   while(sender=sender.offsetParent) { top+=sender.offsetTop; left+=sender.offsetLeft; }
   dropObj.style.top=top+topout;
   dropObj.style.left=left+leftout;
   dropObj.style.visibility = 'visible';
}

function HideMenu(sender, dropObj) {
   var dropObj = document.getElementById(dropObj);
   dropObj.style.visibility = 'hidden';
}