function closeTopTree(){ for(i=0;i { topTreeTable.cells[2*i+1].innerHTML=""; treeImg[i].src="list.gif"; }}
function openTopTree(n){ if(topTreeTable.cells[2*n+1].innerHTML=="") { closeTopTree(); treeImg[n].src="list2.gif"; switch(n) { case 0 : {topTreeTable.cells[2*n+1].innerHTML=item00_all;break;} case 1 : {topTreeTable.cells[2*n+1].innerHTML=item01_all;break;} case 2 : {topTreeTable.cells[2*n+1].innerHTML=item02_all;break;} } } else closeTopTree();}