var _d=document;
function gId(o){return _d.getElementById(o);}


function st2new(n)
{for(i=1;i<=4;i++)
{tabnm=gId('headTab'+i);if(n==i){tabnm.className="selected";showDiv('dd'+n);}
else{tabnm.className="";hideDiv('dd'+i);}}}
function showDiv(divnm)
{gId(divnm).style["display"]="block";gId(divnm).style["visibility"]="visible";}
function hideDiv(divnm)
{gId(divnm).style["display"]="none";gId(divnm).style["visibility"]="hidden";}