var newWin;

function popUpWindowChecklist(url,newwindow,w,h) {
windowleft = (screen.width - w)/2;
windowtop = (screen.height - h)/2;
settings = '"toolbar=1,directories=1,menubar=1,scrollbars=1,resizable=1,status=1,width='+w+',height='+h+ ',left='+windowleft+',top='+windowtop+'"';
closeWindow();
newWin = window.open(url,newwindow,settings);
newWin.focus();
}


function popUpWindow(url,newwindow,w,h) {
windowleft = (screen.width - w)*.49;
windowtop = (screen.height - h)*.40;
settings = '"toolbar=0,directories=0,menubar=0,scrollbars=0,resizable=0,status=0,width='+w+',height='+h+ ',left='+windowleft+',top='+windowtop+'"';
closeWindow();
newWin = window.open(url,newwindow,settings);
newWin.focus();
}


function closeWindow() {
if (newWin && !newWin.closed) {
newWin.close();}
}