var cm=null; 
//document.onclick = new Function("show(null)");
function getPos(el,sProp)  
{
    var iPos = 0 
 　 while (el!=null)  
    {
        iPos+=el["offset" + sProp];
     　 el = el.offsetParent;
    } 
 　return iPos;
}  

function show(el,m,arw)  
{
    el.style.background = "url(../../images/health_hz_003.gif) -5px 0px";
    //el.style.color = "#000";
    el.style.paddingTop = "2px";
    arw.style.background = "url(../../images/menu-arrow2.gif) no-repeat right";    
    
    if (m) 
    {
        m.style.display= ''; 
        m.style.pixelLeft = getPos(el,"Left") ;
        m.style.pixelTop = getPos(el,"Top") + el.offsetHeight;
    } 
 　if ((m!=cm) && (cm)) cm.style.display="none";
 　cm=m ; 　
}

function hide(m,el,arw)
{
    m.style.display="none";
    el.style.background = "url(../../images/health_hz_001.gif) -5px 0px";
    el.style.color = "#fff";
    el.style.paddingTop = "0px";
    arw.style.background = "url(../../images/menu-arrow2.gif) no-repeat right";
}