function tabit(btn,tabNumber,class1,class2){
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));
for(i=0;i<tabNumber;i++){
document.getElementById(tabName+"_div_"+i).style.display = "none";
document.getElementById(tabName+"_btn_"+i).className = class2;
};
document.getElementById(tabName+"_div_"+id).style.display = "block";
btn.className=class1;
}

function tabit_FL(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-1;
for(i=0;i<tabNumber;i++){
document.getElementById(tabName+"_div_"+i).style.display = "none";
document.getElementById(tabName+"_btn_"+i).className = "bg_1";
};
document.getElementById(tabName+"_div_"+id).style.display = "block";
btn.className="bg_2";
}

function addFav()
{
window.external.AddFavorite('http://www.chinapr.com.cn/','Öйú¹«¹ØÍø');
}

function addHome()
{
document.body.style.behavior='url(#default#homepage)';
document.body.setHomePage('http://www.chinapr.com.cn/');
}