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, 2));
var tabNumber = btn.parentNode.childNodes.length;
for(i=0;i<tabNumber;i++){
	if(document.getElementById(tabName+"_div_"+i)!=null)
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(btn8){
var idname = new String(btn8.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 = btn8.parentNode.childNodes.length;
for(i=0;i<tabNumber;i++){
document.getElementById(tabName+"_div_"+i).style.display = "none";
document.getElementById(tabName+"_btn8_"+i).className = "";
};
document.getElementById(tabName+"_div_"+id).style.display = "block";
btn8.className = "curr";
};