/**
*
*  Javascript open window
*  
There are some available optional parameters which are passed as a second object parameter to this Javascript open window function:
width
height
left
top
center
name
scrollbars
menubar
locationbar
resizable
*
**/
function openWindow(anchor, options) {
    var args = '';
    if (typeof(options) == 'undefined') { var options = new Object(); }
    if (typeof(options.name) == 'undefined') { options.name = 'win' + Math.round(Math.random()*100000); }
    if (typeof(options.height) != 'undefined' && typeof(options.fullscreen) == 'undefined') {
        args += "height=" + options.height + ",";
    }
    if (typeof(options.width) != 'undefined' && typeof(options.fullscreen) == 'undefined') {
        args += "width=" + options.width + ",";
    }
    if (typeof(options.fullscreen) != 'undefined') {
        args += "width=" + screen.availWidth + ",";
        args += "height=" + screen.availHeight + ",";
    }
    if (typeof(options.center) == 'undefined') {
        options.x = 0;
        options.y = 0;
        args += "screenx=" + options.x + ",";
        args += "screeny=" + options.y + ",";
        args += "left=" + options.x + ",";
        args += "top=" + options.y + ",";
    }
    if (typeof(options.center) != 'undefined' && typeof(options.fullscreen) == 'undefined') {
        options.y=Math.floor((screen.availHeight-(options.height || screen.height))/2)-(screen.height-screen.availHeight);
        options.x=Math.floor((screen.availWidth-(options.width || screen.width))/2)-(screen.width-screen.availWidth);
        args += "screenx=" + options.x + ",";
        args += "screeny=" + options.y + ",";
        args += "left=" + options.x + ",";
        args += "top=" + options.y + ",";
    }
    if (typeof(options.scrollbars) != 'undefined') { args += "scrollbars=1,"; }
    if (typeof(options.menubar) != 'undefined') { args += "menubar=1,"; }
    if (typeof(options.locationbar) != 'undefined') { args += "location=1,"; }
    if (typeof(options.resizable) != 'undefined') { args += "resizable=1,"; }
    var win = window.open(anchor, options.name, args);
    return false;
}