// Scripts for the window size and centering

window.size = function() {
    var w = 0;
    var h = 0;

    //IE
    if (!window.innerWidth) {
        //strict mode
        if (!(document.documentElement.clientWidth == 0)) {

            w = document.documentElement.clientWidth;
            h = document.documentElement.clientHeight;
        }
        //quirks mode
        else {

            w = document.body.clientWidth;
            h = document.body.clientHeight;
        }
    }
    //w3c
    else {

        w = window.innerWidth;
        h = window.innerHeight;
    }
    return { width: w, height: h };
}

window.center = function() {
    var hWnd = (arguments[0] != null) ? arguments[0] : { width: 0, height: 0 };

    var _x = 0;
    var _y = 0;
    var offsetX = 0;
    var offsetY = 0;

    //IE
    if (!window.pageYOffset) {
        //strict mode
        if (!(document.documentElement.scrollTop == 0)) {
            offsetY = document.documentElement.scrollTop;
            offsetX = document.documentElement.scrollLeft;
        }
        //quirks mode
        else {
            offsetY = document.body.scrollTop;
            offsetX = document.body.scrollLeft;
        }

    }
    //w3c
    else {
        offsetX = window.pageXOffset;
        offsetY = window.pageYOffset;

    }

    _x = ((this.size().width - hWnd.width) / 2) + offsetX;
    _y = ((this.size().height - hWnd.height) / 2) + offsetY;

    return { x: _x, y: _y };
}

// Scripts for the pop-up windows
function ShowPopUp(obj, offsetY, offsetX) {

    // Get the object
    var el = document.getElementById(obj);

    // Get the content div
    var contentDiv = $get('ContentDiv');

    if (contentDiv != null) {

        // Get the location of the content div
        var locContentDiv = Sys.UI.DomElement.getLocation(contentDiv);

        // Set the position
        el.style.position = 'absolute';
        el.style.left = ((window.center().x - locContentDiv.x) + offsetX) + 'px';
        el.style.top = ((window.center().y - locContentDiv.y) + offsetY) + 'px';

    } else {

        el.style.position = 'absolute';
        el.style.left = ((window.center().x) + offsetX) + 'px';
        el.style.top = ((window.center().y) + offsetY) + 'px';
    }

    // Show the pop up
    el.style.display = 'block';

}

function HidePopUp(obj) {

    // Get the object
    var el = document.getElementById(obj);

    // Show the pop up
    el.style.display = 'none'

}