var winPopUp,currencywin;
function openWindow(b,f,a,e){var d,c;
if(f==undefined){var f=500
}if(a==undefined){var a=400
}if(e==undefined){var e
}d=(screen.width)?(screen.width)/2-(f/2):0;
c=(screen.height)?(screen.height)/2-(a/2):0;
if(e==null){e="toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,copyhistory=no,width=";
e+=f+",height="+a+",top="+c+",left="+d
}if(winPopUp&&!winPopUp.closed){winPopUp.close()
}winPopUp=window.open(b,"winPopUp",e)
};