function showHide(DivID, State) // 1 visible, 0 hidden
{
    if(document.layers)	   //NN4+
    {
       document.layers[DivID].visibility = State ? "show" : "hide";
       document.layers[DivID].display = State ? "block" : "none";
    }
    else if(document.getElementById)	  //gecko(NN6) + IE 5+
    {
        var obj = document.getElementById(DivID);
        obj.style.visibility = State ? "visible" : "hidden";
        obj.style.display = State ? "block" : "none";
    }
    else if(document.all)	// IE 4
    {
        document.all[DivID].style.visibility = State ? "visible" : "hidden";
        document.all[DivID].style.display = State ? "block" : "none";
    }
}