function tabit(btn){
	var idname = new String(btn.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 = btn.parentNode.childNodes.length;
	for(i=0;i<tabNumber;i++){
			document.getElementById(tabName+"_div_"+i).style.display = "none";
			document.getElementById(tabName+"_btn_"+i).className = "";
		};
		document.getElementById(tabName+"_div_"+id).style.display = "block";
		btn.className = "n";
};
function tabit1(btn){
	var idname = new String(btn.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 = btn.parentNode.childNodes.length;
	for(i=0;i<tabNumber;i++){
			document.getElementById(tabName+"-div-"+i).style.display = "none";
			document.getElementById(tabName+"-btn-"+i).className = "";
		};
		document.getElementById(tabName+"-div-"+id).style.display = "block";
		btn.className = "m";
};
function tabit2(btn){
	var idname = new String(btn.id);
	var s = idname.indexOf("f");
	var e = idname.lastIndexOf("f")+1;
	var tabName = idname.substr(0, s);
	var id = parseInt(idname.substr(e, 1));
	var tabNumber = btn.parentNode.childNodes.length;
	for(i=0;i<tabNumber;i++){
			document.getElementById(tabName+"fdivf"+i).style.display = "none";
			document.getElementById(tabName+"fbtnf"+i).className = "";
		};
		document.getElementById(tabName+"fdivf"+id).style.display = "block";
		btn.className = "n";
};
function tabit3(btn){
	var idname = new String(btn.id);
	var s = idname.indexOf("w");
	var e = idname.lastIndexOf("w")+1;
	var tabName = idname.substr(0, s);
	var id = parseInt(idname.substr(e, 1));
	var tabNumber = btn.parentNode.childNodes.length;
	for(i=0;i<tabNumber;i++){
			document.getElementById(tabName+"wdivw"+i).style.display = "none";
			document.getElementById(tabName+"wbtnw"+i).className = "";
		};
		document.getElementById(tabName+"wdivw"+id).style.display = "block";
		btn.className = "t";
};