var ie = (document.getElementById)?true:false;
var window_width = (ie)? screen.width-20 : screen.width;
var window_height = screen.height;

function openWin(url,title,width,height) {
    var win_left = (window_width - width) / 2;
    var win_top = (window_height - height) / 2;
    attrib = 'toolbar=no,location=no,directories=no,status=no,menubar=no,titlebar=no,scrollbars=no,movable=yes,resizable=no,left='+win_left+',top='+win_top+',width='+width+',height='+height;
    wref = window.open(url,title,attrib);
}

function popupImage(imageName) {
    var curURL = "../modules/popupImage.asp?img=" + imageName;
    var curTitle = "_blank";
    var curWidth = 720;
    var curHeight = 520;
    openWin(curURL,curTitle,curWidth,curHeight);
}