/* first, declare the variable newWin that will be used 
for the new window object. */
var newWin;

var newsWin;

var xScale = screen.availWidth - 140;
var yScale = screen.availHeight - 20;

/* a function that opens a centered window. */ 

function cWin(url,winname,w,h) {
windowleft = (screen.width - w)/2;
windowtop = (screen.height - h)/2;
settings = '"toolbar=no,directories=no,menubar=no,scrollbars=no,resizable=no,status=no,width='+w+',height='+h+ ',left='+windowleft+',top='+windowtop+'"';
closeWindow();
newWin = window.open(url,winname,settings);
newWin.focus();
}

function sWin(url,winname,w,h) {
windowleft = (screen.width - w)/2;
windowtop = (screen.height - h)/2;
stsettings = '"directories=no,menubar=no,scrollbars=yes,resizable=yes,toolbar=yes,status=yes,width='+w+',height='+h+ ',left='+windowleft+',top='+windowtop+'"';
closeWindow();
newsWin = window.open(url,winname,stsettings);
newsWin.focus();
}


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

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