var active='';
p_document=document; 	

		pic1 = new Image(12,29);
		pic1.src = "/images/menu_left.gif";
		pic1_r = new Image(12,29);
		pic1_r.src = "/images/menu_right.gif";			
		
		pic1a = new Image(12,29);
		pic1a.src = "/images/menu_left_.gif";
		pic1a_r = new Image(12,29);
		pic1a_r.src = "/images/menu_right_.gif";			

function show_img(imgName)
{       
	if (p_document.images)
	{
		imgOnl=eval("pic1a.src");
		p_document["pic"+imgName+"_l"].src= imgOnl;
		imgOnr=eval("pic1a_r.src");
		p_document["pic"+imgName+"_r"].src= imgOnr;
		p_document.getElementById("text"+imgName).style.background='#3A8FBE';
		
	}
}

function hide_img(imgName)
{ 
	if (p_document.images && active!=imgName)
	{
		imgOnl=eval("pic1.src");
		p_document["pic"+imgName+"_l"].src= imgOnl;
		imgOnr=eval("pic1_r.src");
		p_document["pic"+imgName+"_r"].src= imgOnr;
		p_document.getElementById("text"+imgName).style.background='#1C5573';		
	}
}


function popupImage(url, title){
  
  var imageFile = "/img.html"

  var img = new Image;
  img.src =  url;

  if(img.complete){
    var window_w = img.width  + 30;
    var window_h = img.height + 30;	
    var screen_w = window.screen.width;
    var screen_h = window.screen.height;

    var scrollbars = 'no';

    if(window_w > screen_w - 50){ window_w = screen_w - 50; scrollbars = 'yes'; }
    if(window_h > screen_h - 50){ window_h = screen_h - 50; scrollbars = 'yes'; }
			
    var t  = (screen_h/2) - (window_h/2);
    var l = (screen_w/2) - (window_w/2);

    var win = window.open(imageFile + "?" + "" + escape(url) + "&" + escape(title), "win", "resizable,scrollbars="+scrollbars+",width="+window_w+",height="+window_h+",top="+t+",left="+l);
    win.focus();	
  }
  img.onload = function(){
    var window_w = img.width  + 30;
    var window_h = img.height + 30;	
    var screen_w = window.screen.width;
    var screen_h = window.screen.height;

    var scrollbars = 'no';

    if(window_w > screen_w - 50){ window_w = screen_w - 50; scrollbars = 'yes'; }
    if(window_h > screen_h - 50){ window_h = screen_h - 50; scrollbars = 'yes'; }

    var t  = (screen_h/2) - (window_h/2);
    var l = (screen_w/2) - (window_w/2);

    var win = window.open(imageFile + "?" + "" + escape(url) + "&" + escape(title), "win", "resizable,scrollbars="+scrollbars+",width="+window_w+",height="+window_h+",top="+t+",left="+l);
    win.focus();				
  };
  if(img.complete) delete(img);			
  return false;
}