function OpenNewPopupWindow(url, width, height) {
    window.open(url, '_blank', 'toolbar=no, location=yes, directories=no, status=no, menubar=no, copyhistory=yes, width=' + width + ', height=' + height);
}

function OpenResizablePopupWindow(url, width, height) {
    window.open(url, '_blank', 'toolbar=no, location=yes, directories=no, status=no, menubar=no, copyhistory=yes, scrollbars=yes, resizable=yes, width=' + width + ', height=' + height);
}

function loadjscssfile(filename, filetype) {
    if (filetype == "js") { //if filename is a external JavaScript file
        var fileref = document.createElement('script')
        fileref.setAttribute("type", "text/javascript")
        fileref.setAttribute("src", filename)
    }
    else if (filetype == "css") { //if filename is an external CSS file
        var fileref = document.createElement("link")
        fileref.setAttribute("rel", "stylesheet")
        fileref.setAttribute("type", "text/css")
        fileref.setAttribute("href", filename)
    }
    if (typeof fileref != "undefined")
        document.getElementsByTagName("head")[0].appendChild(fileref)
}