var cn = "nothing";

function getCurrent()
{
    var loc = document.location.href;
    var strAr = loc.split("/");
    var max = strAr.length;
    var pagename = strAr[(max-1)].toString();
    pageName = pagename.replace(".php", "");
    if(pageName.match("_"))
    {
	    ind = pageName.indexOf("_");
	    cp = pageName.slice(0, ind);
	    cp_sub = pageName.slice(ind+1, pageName.length);
	    cn = cp_sub;
	    document.getElementById("sub_"+cp_sub).src = "images/news/menu/sub_"+cp_sub+"_on.jpg";
    }
}

function subMenuRollOver(obj, path)
{
    var t = "sub_"+cn;
    if(obj.id != t)
        document.getElementById(obj.id).src = path+obj.id+"_on.jpg";
}

function subMenuRollOff(obj, path)
{
    var t = "sub_"+cn;
    if(obj.id != t)
        document.getElementById(obj.id).src = path+obj.id+".jpg";
}