var $ = function(id) {
    return "string" == typeof id ? document.getElementById(id) : id;
};

var $n = function(name) {
return "string" == typeof name ? document.getElementsByName(name) : name;
};

var $F = function(oElement) {
    var x2 = 0;
    var y2 = 0;
    var width = oElement.offsetWidth;
    var height = oElement.offsetHeight;

    if (typeof (oElement.offsetParent) != 'undefined') {
        for (var posX = 0, posY = 0; oElement; oElement = oElement.offsetParent) {
            posX += oElement.offsetLeft;
            posY += oElement.offsetTop;
        }
        x2 = posX + width;
        y2 = posY + height;
        return [posX, posY, x2, y2];

    } else {
        x2 = oElement.x + width;
        y2 = oElement.y + height;

        return [oElement.x, oElement.y, x2, y2];
    }
}



function setTab(name,cursel,n){
 for(i=1;i<=n;i++){
    var menu=document.getElementById(name+i);
    var con=document.getElementById("con_"+name+"_"+i);
    menu.className=i==cursel?"current":"";
    con.style.display=i==cursel?"block":"none";
   }
}
function clearTab(obj){
   obj.className="";
}

function setTab2(name,cursel,n,cname,sname){
 for(i=1;i<=n;i++){
    var menu=document.getElementById(name+i);
    var con=document.getElementById("con_"+name+"_"+i);
	menu.className=sname;
    menu.className=i==cursel?cname:"";
    con.style.display=i==cursel?"block":"none";
   }
}