function openURL(sURL) {
    opener.document.location = sURL;
}

var LeftPosition=(screen.availWidth)?(screen.availWidth-650)/2:50;
var TopPosition=(screen.availHeight)?(screen.availHeight-600)/2:50;

var cardLeft=(screen.availWidth)?(screen.availWidth-800)/2:50;
var cardTop=(screen.availHeight)?(screen.availHeight-700)/2:50;

function openWin(sourceDoc) {
window.open(sourceDoc,"Window1","menubar=no,width=650,height=600,toolbar=no,status=no,scrollbars=yes,top="+TopPosition+",left="+LeftPosition);
return false;
}

function openCard(sourceDoc) {
window.open(sourceDoc,"Window1","menubar=no,width=800,height=700,toolbar=no,status=no,scrollbars=yes,top="+cardTop+",left="+cardLeft);
return false;
}