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 = "curr";

};



function etabit(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 = "curr";

};