// popup window
function doPopup(file, sizeW, sizeH){
    var myWin;
    var myDim = "width=" + sizeW + ",height=" + sizeH + ",resizable=no," +
                "scrollbars=no," +
                "screenX=300,screenY=300";

    myWin = window.open(file, '', myDim);
}
function reloadIt(opoself) {
    if (arguments[0])
        window.opener.document.location.reload();
    else
        window.self.document.location.reload();
}

// popup to view sing image
function popImg(file, sizeW, sizeH){

    openerWidth  = window.document.body.clientWidth;
    openerHeight = window.document.body.clientHeight;
    setX = (openerWidth / 2) - (sizeW / 2);
    setY = (openerHeight / 2) - (sizeH / 2);

    var myWin;
    var myDim = "width=" + sizeW + ",height=" + sizeH + ",resizable=no," +
                "scrollbars=no," +
                "screenX=" + setX +  "," +
                "screenY=" + setY;

    myWin = window.open(file, '', myDim);

}