function switch_bot(tagid,did){
	bot_m1.className="";
	bot_m2.className="";
	bot_m3.className="";
	bot_m4.className="";
	bot_d_m1.style.display="none";
	bot_d_m2.style.display="none";
	bot_d_m3.style.display="none";
	bot_d_m4.style.display="none";
	
	document.getElementById(tagid).className="c_k_t_v";
	document.getElementById(did).style.display="";
}
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, idname.length-idname.lastIndexOf("_")));
	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";
};