var popUpWin=0;function popUpWindow(n,u,w,h){var l=(screen.width/2)-w/2;var t=(screen.height/2)-h/2;var s='toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbar=no,resizable=no,copyhistory=yes,w='+w+',height='+h+',left='+l+',top='+t+',screenX='+l+',screenY='+t;if(popUpWin){if(!popUpWin.closed) popUpWin.close();};popUpWin=open(u,n,s);};