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(screen.width<=width||screen.height<=height)size="yes";WndTop=(screen.height-height)/2;WndLeft=(screen.width-width)/2;attribs="width="+width+",height="+height+",resizable="+size+",scrollbars="+size+","+"status=no,toolbar=no,directories=no,menubar=no,location=no,top="+WndTop+",left="+WndLeft;}
else
{if(navigator.appName=="Netscape"&&navigator.javaEnabled())
{var toolkit=java.awt.Toolkit.getDefaultToolkit();var screen_size=toolkit.getScreenSize();if(screen_size.width<=width||screen_size.height<=height)size="yes";WndTop=(screen_size.height-height)/2;WndLeft=(screen_size.width-width)/2;attribs="width="+width+",height="+height+",resizable="+size+",scrollbars="+size+","+"status=no,toolbar=no,directories=no,menubar=no,location=no,top="+WndTop+",left="+WndLeft;}
else
{size="yes";attribs="width="+width+",height="+height+",resizable="+size+",scrollbars="+size+","+"status=no,toolbar=no,directories=no,menubar=no,location=no";}}
popup=open(file,"",attribs);}
else
{DestroyWnd();CreateWnd(file,width,height,resize);}}
function DestroyWnd()
{if(popup!=null)
{popup.close();popup=null;}}