var popup = null;

function CreateWnd (file, width, height, resize)
{
var doCenter = false;
if  ((popup == null) || popup.closed)
	{
	attribs = "";
	if (resize) 
		size = "yes"; 
	else size = "no";

	for(var item in window)
		{ 
		if(item == "screen") 
			{ 
			doCenter = true; break; 
			} 
		}

	if (doCenter)
		{	
		// if the screen is smaller than the window, override the resize setting
		if	(screen.width <= width || screen.height <= height) 
			size = "yes";

		WndTop  = 100; // (screen.height - height) / 2;
		WndLeft = 100; // (screen.width  - width)  / 2;

		attribs = "width=" + width + ",height=" + height + ",resizable=" + size + 
				  ",scrollbars=no,status=no,toolbar=no,directories=no,menubar=no,location=no,top=" + WndTop + ",left=" + WndLeft;
		}
	else
		{
		/*/
		/ / There is still one last thing we can do for JavaScrpt 1.1
		/ / users in Netscape.  Using the AWT in Java we can pull the
		/ / information we need, provided it is enabled.
		/*/
		if	(navigator.appName=="Netscape" && navigator.javaEnabled())
			{	/*/ center the window /*/
			
			var toolkit = java.awt.Toolkit.getDefaultToolkit();
			var screen_size = toolkit.getScreenSize();
			
			// if the screen is smaller than the window, override the resize setting
			if(screen_size.width <= width || screen_size.height <= height) 
				size = "yes";
			
			WndTop  = 100; // (screen_size.height - height) / 2;
			WndLeft = 100; // (screen_size.width  - width)  / 2;
			
			attribs = "width=" + width + ",height=" + height + ",resizable=" + size + 
						",scrollbars=no,status=no,toolbar=no,directories=no,menubar=no,location=no,top=" + WndTop + ",left=" + WndLeft;
			}
		else
			{	/*/ use the default window position /*/
			// override the resize setting
			size = "yes";
			attribs = "width=" + width + ",height=" + height + ",resizable=" + size  
						",scrollbars=no,status=no,toolbar=no,directories=no,menubar=no,location=no";
			}
		}
	// create the window
	popup = open(file, "", attribs);
	}
else  // window already open ...
	{
	// destory the current window
	DestroyWnd();
	// recurse, just once, to display the new window
	CreateWnd(file, width, height, resize);
	}
}

function DestroyWnd ()
{
// close the current window
if  (popup != null)
	{
	popup.close();
	popup = null;
	}
}

function PopupImage(sPicURL) 
{ 
// window.open("..\scripts\popup.htm?"+sPicURL, "", "resizable=1,HEIGHT=200,WIDTH=200");
CreateWnd("image_popup.htm?"+sPicURL,200,200,true);
}

function PopupFlash(sURL, width, height) 
{ 
// window.open("..\scripts\popup.htm?"+sPicURL, "", "resizable=1,HEIGHT=200,WIDTH=200");
CreateWnd(sURL,width,height,true);
}