function findObj(n, d) { 
    var p,i,x;  
    if(!d) d=document; 
    if((p=n.indexOf("?"))>0&&parent.frames.length) {
        d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);
    }
    if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
    for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=findObj(n,d.layers[i].document);
    if(!x && d.getElementById) x=d.getElementById(n); 
    return x;
}
function showHideLayers() { 
    var i,p,v,obj,args=showHideLayers.arguments;

    for (i=0; i<(args.length-1); i+=2) 
    if ((obj=findObj(args[i]))!=null) { 
        v=args[i+1];
        if (obj.style) {     
        var x = obj.style.display;
        obj=obj.style; 
        v=(v=='show')?'block':(v=='hide')?'none':(v=='toggle' & x=='block')?'none':(v=='toggle' & x=='none')?'block':v; 
        }
        obj.display=v; 
    }
}