// browser check
N4 = GK = IE = 0;
if (document.layers) N4 = 1;
else if (document.all) IE = 1;
else if (document.getElementById) GK = 1;

function toggle(id){
	if(document.all(id).style.display == "none"){
		show(id);
	}
	else{
		hide(id);
	}
}

function b_toggle(id){
	if(document.all(id).style.display == "none"){
		b_show(id);
	}
	else{
		hide(id);
	}
}

function show(id){
  if(N4|GK){
    document.getElementById(id).onmousedown = null;
    document.onmouseup = null;
    document.onmousemove = null;
    document.getElementById(id).style.display = "inline";
    document.getElementById(id).style.zIndex = 2;
  }else{
    document.all(id).style.display = "inline";
    document.all(id).style.zIndex = 2;
  }
}

function b_show(id){
  if(N4|GK){
    document.getElementById(id).onmousedown = null;
    document.onmouseup = null;
    document.onmousemove = null;
    document.getElementById(id).style.display = "block";
    document.getElementById(id).style.zIndex = 2;
  }else{
    document.all(id).style.display = "block";
    document.all(id).style.zIndex = 2;
  }
}

function hide(id){
  if(N4|GK){
    document.onmouseup = up;
    document.onmousemove = move;
    document.getElementById(id).style.display = "none";
  }else{
    document.all(id).style.display = "none";
  }
}