function bblbit(bbl){
	var idname = new String(bbl.id);
	var s = idname.indexOf("_");
	var e = idname.lastIndexOf("_")+1;
	var tabName = idname.substr(0, s);
	var id = parseInt(idname.substr(e, 1));
	var tabNumber = bbl.parentNode.childNodes.length;
	for(i=0;i<tabNumber;i++){
		document.getElementById(tabName+"_div_"+i).style.display = "none";
		document.getElementById(tabName+"_bbl_"+i).style.backgroundColor = "#4BAFFF";
		document.getElementById(tabName+"_bbl_"+i).style.borderBottomColor = "#4BAFFF";
		document.getElementById(tabName+"_bbl_"+i).style.cursor = "pointer";
		document.getElementById(tabName+"_div_"+id).style.display = "block";
		bbl.style.backgroundColor = "#fff";
		bbl.style.borderBottomColor = "#fff";bbl.style.cursor = "default";}
		}