function DoHide(id,element) { document.getElementById("bl"+id).style.display = "none";element.innerText="[+]"+element.innerText.substring(3); }
function DoShow(id,element) { document.getElementById("bl"+id).style.display = "block";element.innerText="[-]"+element.innerText.substring(3); }
function showmenu(id,element) {	if(document.getElementById("bl"+id).style.display!="none")	DoHide(id,element);	else DoShow(id,element); }