/* 

COMPATABILITY: Works with Netscape 4.x, 6.x, IE 5.x on Windows. Some small
positioning errors - usually with Window positioning - occur on the 
Macintosh platform. Due to bugs in Netscape 4.x, populating the popup 
window with <STYLE> tags may cause errors.

USAGE:
// Create an object for a WINDOW popup
var win = new PopupWindow(); 

// Create an object for a DIV window using the DIV named 'mydiv'
var win = new PopupWindow('mydiv'); 

// Set the window to automatically hide itself when the user clicks 
// anywhere else on the page except the popup
win.autoHide(); 

// Show the window relative to the anchor name passed in
win.showPopup(anchorname);

// Hide the popup
win.hidePopup();

// Set the size of the popup window (only applies to WINDOW popups
win.setSize(width,height);

// Populate the contents of the popup window that will be shown. If you 
// change the contents while it is displayed, you will need to refresh()
win.populate(string);

// set the URL of the window, rather than populating its contents
// manually
win.setUrl("http://www.site.com/");

// Refresh the contents of the popup
win.refresh();

// Specify how many pixels to the right of the anchor the popup will appear
win.offsetX = 50;

// Specify how many pixels below the anchor the popup will appear
win.offsetY = 100;

NOTES:


2) Your anchor tag MUST contain both NAME and ID attributes which are the 
   same. For example:
   <A NAME="test" ID="test"> </A>

3) There must be at least a space between <A> </A> for IE5.5 to see the 
   anchor tag correctly. Do not do <A></A> with no space.

4) When a PopupWindow object is created, a handler for 'onmouseup' is
   attached to any event handler you may have already defined. Do NOT define
   an event handler for 'onmouseup' after you define a PopupWindow object or
   the autoHide() will not work correctly.
*/ 
showScrollWin="auto";

// Set the position of the popup window based on the anchor
function PopupWindow_getXYPosition(anchorname) {
    var coordinates;
    if (this.type == "WINDOW") {
        coordinates = getAnchorWindowPosition(anchorname);
        }
    else {
        coordinates = getAnchorPosition(anchorname);
        }
    this.x = coordinates.x;
    this.y = coordinates.y;
    }
// Set width/height of DIV/popup window
function PopupWindow_setSize(width,height) {
    this.width = width;
    this.height = height;
    }
// Fill the window with contents
function PopupWindow_populate(contents) {
    this.contents = contents;
    this.populated = false;
    }
// Set the URL to go to
function PopupWindow_setUrl(url) {
    this.url = url;
    }
// Set the window popup properties
function PopupWindow_setWindowProperties(props) {
    this.windowProperties = props;
    }
// Refresh the displayed contents of the popup
function PopupWindow_refresh() {
    if (this.divName != null) {
        // refresh the DIV object
        if (this.use_gebi) {
            document.getElementById(this.divName).innerHTML = this.contents;
            }
        else if (this.use_css) { 
            document.all[this.divName].innerHTML = this.contents;
            }
        else if (this.use_layers) { 
            var d = document.layers[this.divName]; 
            d.document.open();
            d.document.writeln(this.contents);
            d.document.close();
            }
        }
    else {
        if (this.popupWindow != null && !this.popupWindow.closed) {
            if (this.url!="") {
                this.popupWindow.location.href=this.url;
                }
            else {
                this.popupWindow.document.open();
                this.popupWindow.document.writeln(this.contents);
                this.popupWindow.document.close();
            }
            this.popupWindow.focus();
            }
        }
    }
// Position and show the popup, relative to an anchor object
function PopupWindow_showPopup(anchorname) {
    this.getXYPosition(anchorname);
    this.x += this.offsetX;
    this.y += this.offsetY;
    
    if($('overlay'))
    {
    	$('overlay').style.display = 'block';
    }
    
    if (!this.populated && (this.contents != "")) {
        this.populated = true;
        this.refresh();
        }
    if (this.divName != null) {
        // Show the DIV object
        if (this.use_gebi) {
            document.getElementById(this.divName).style.left = this.x + "px";
            document.getElementById(this.divName).style.top = this.y + "px";
            document.getElementById(this.divName).style.visibility = "visible";
            document.getElementById(this.divName).style.display = "block";
            }
        else if (this.use_css) {
            document.all[this.divName].style.left = this.x;
            document.all[this.divName].style.top = this.y;
            document.all[this.divName].style.visibility = "visible";
            document.getElementById(this.divName).style.display = "block";
            }
        else if (this.use_layers) {
            document.layers[this.divName].left = this.x;
            document.layers[this.divName].top = this.y;
            document.layers[this.divName].visibility = "visible";
            document.getElementById(this.divName).style.display = "block";
            }
        }
    else {
        if (this.popupWindow == null || this.popupWindow.closed) {
            // If the popup window will go off-screen, move it so it doesn't
            if (this.x<0) { this.x=0; }
            if (this.y<0) { this.y=0; }
            if (screen && screen.availHeight) {
                if ((this.y + this.height) > screen.availHeight) {
                    this.y = screen.availHeight - this.height;
                    }
                }
            if (screen && screen.availWidth) {
                if ((this.x + this.width) > screen.availWidth) {
                    this.x = screen.availWidth - this.width;
                    }
                }
            var avoidAboutBlank = window.opera || ( document.layers && !navigator.mimeTypes['*'] ) || navigator.vendor == 'KDE' || ( document.childNodes && !document.all && !navigator.taintEnabled );
            this.popupWindow = window.open(avoidAboutBlank?"":"about:blank","window_"+anchorname,this.windowProperties+",width="+this.width+",height="+this.height+",screenX="+this.x+",left="+this.x+",screenY="+this.y+",top="+this.y+"");
            }
        this.refresh();
        }
    }
// Hide the popup
function PopupWindow_hidePopup() {


    if (this.divName != null) {
        if (this.use_gebi) {
            
            

				if($('overlay'))
				{
					$('overlay').style.display = 'none';
				}

				//ey, laat je deze ff staan? :p
				
				//alert(document.getElementById(this.divName));
				
				if(document.getElementById(this.divName) != null);
				{
					//alert(document.getElementById(this.divName));
					//alert(this.divName);
					document.getElementById(this.divName).style.visibility = "hidden";
					document.getElementById(this.divName).style.display = "none";
				}
        }
        else if (this.use_css) {
        	
            document.getElementById(this.divName).style.visibility = "hidden";
            document.getElementById(this.divName).style.display = "none";
            
        }
        else if (this.use_layers) {
            document.getElementById(this.divName).style.visibility = "hidden";
            document.getElementById(this.divName).style.display = "none";
            
            }
    }
    else {
    
    	
    		
        if (this.popupWindow && !this.popupWindow.closed) {
            this.popupWindow.close();
            this.popupWindow = null;
            $('overlay').style.display = 'none';
            }
        }
    }
// Pass an event and return whether or not it was the popup DIV that was clicked
function PopupWindow_isClicked(e) {
    if (this.divName != null) {
        if (this.use_layers) {
            var clickX = e.pageX;
            var clickY = e.pageY;
            var t = document.layers[this.divName];
            if ((clickX > t.left) && (clickX < t.left+t.clip.width) && (clickY > t.top) && (clickY < t.top+t.clip.height)) {
                return true;
                }
            else { return false; }
            }
        else if (document.all) { // Need to hard-code this to trap IE for error-handling
            var t = window.event.srcElement;
            while (t.parentElement != null) {
                if (t.id==this.divName) {
                    return true;
                    }
                t = t.parentElement;
                }
            return false;
            }
        else if (this.use_gebi && e) {
            var t = e.originalTarget;
            while (t.parentNode != null) {
                if (t.id==this.divName) {
                    return true;
                    }
                t = t.parentNode;
                }
            return false;
            }
        return false;
        }
    return false;
    }

// Check an onMouseDown event to see if we should hide
function PopupWindow_hideIfNotClicked(e) {
    if (this.autoHideEnabled && !this.isClicked(e)) {
        this.hidePopup();
        }
    }
// Call this to make the DIV disable automatically when mouse is clicked outside it
function PopupWindow_autoHide() {
    this.autoHideEnabled = true;
    }
// This global function checks all PopupWindow objects onmouseup to see if they should be hidden
function PopupWindow_hidePopupWindows(e) {
    for (var i=0; i<popupWindowObjects.length; i++) {
        if (popupWindowObjects[i] != null) {
            var p = popupWindowObjects[i];
            p.hideIfNotClicked(e);
            }
        }
    }
// Run this immediately to attach the event listener
function PopupWindow_attachListener() {
    if (document.layers) {
        document.captureEvents(Event.MOUSEUP);
        }
    window.popupWindowOldEventListener = document.onmouseup;
    if (window.popupWindowOldEventListener != null) {
        document.onmouseup = new Function("window.popupWindowOldEventListener(); PopupWindow_hidePopupWindows();");
        }
    else {
        document.onmouseup = PopupWindow_hidePopupWindows;
        }
    }
// CONSTRUCTOR for the PopupWindow object
// Pass it a DIV name to use a DHTML popup, otherwise will default to window popup
function PopupWindow() {
    if (!window.popupWindowIndex) { window.popupWindowIndex = 0; }
    if (!window.popupWindowObjects) { window.popupWindowObjects = new Array(); }
    if (!window.listenerAttached) {
        window.listenerAttached = true;
        PopupWindow_attachListener();
        }
    this.index = popupWindowIndex++;
    popupWindowObjects[this.index] = this;
    this.divName = null;
    this.popupWindow = null;
    this.width=0;
    this.height=0;
    this.populated = false;
    this.visible = false;
    this.autoHideEnabled = false;
    
    this.contents = "";
    this.url="";
    this.windowProperties="toolbar=no,location=no,status=no,menubar=no,scrollbars="+showScrollWin+",resizable,alwaysRaised,dependent,titlebar=no";
    if (arguments.length>0) {
        this.type="DIV";
        this.divName = arguments[0];
        }
    else {
        this.type="WINDOW";
        }
    this.use_gebi = false;
    this.use_css = false;
    this.use_layers = false;
    if (document.getElementById) { this.use_gebi = true; }
    else if (document.all) { this.use_css = true; }
    else if (document.layers) { this.use_layers = true; }
    else { this.type = "WINDOW"; }
    this.offsetX = 0;
    this.offsetY = 0;
    // Method mappings
    this.getXYPosition = PopupWindow_getXYPosition;
    this.populate = PopupWindow_populate;
    this.setUrl = PopupWindow_setUrl;
    this.setWindowProperties = PopupWindow_setWindowProperties;
    this.refresh = PopupWindow_refresh;
    this.showPopup = PopupWindow_showPopup;
    this.hidePopup = PopupWindow_hidePopup;
    this.setSize = PopupWindow_setSize;
    this.isClicked = PopupWindow_isClicked;
    this.autoHide = PopupWindow_autoHide;
    this.hideIfNotClicked = PopupWindow_hideIfNotClicked;
    }

// Determine browser and version.

function Browser() {

  var ua, s, i;

  this.isIE    = false;
  this.isNS    = false;
  this.version = null;

  ua = navigator.userAgent;

  s = "MSIE";
  if ((i = ua.indexOf(s)) >= 0) {
    this.isIE = true;
    this.version = parseFloat(ua.substr(i + s.length));
    return;
  }

  s = "Netscape6/";
  if ((i = ua.indexOf(s)) >= 0) {
    this.isNS = true;
    this.version = parseFloat(ua.substr(i + s.length));
    return;
  }

  // Treat any other "Gecko" browser as NS 6.1.

  s = "Gecko";
  if ((i = ua.indexOf(s)) >= 0) {
    this.isNS = true;
    this.version = 6.1;
    return;
  }
}

// getAnchorPosition(anchorname)
//   This function returns an object having .x and .y properties which are the coordinates
//   of the named anchor, relative to the page.
function getAnchorPosition(anchorname) {
    // This function will return an Object with x and y properties
    var useWindow=false;
    var coordinates=new Object();
    var x=0,y=0;
    // Browser capability sniffing
    var use_gebi=false, use_css=false, use_layers=false;
    if (document.getElementById) { use_gebi=true; }
    else if (document.all) { use_css=true; }
    else if (document.layers) { use_layers=true; }
    // Logic to find position
    if (use_gebi && document.all) {
        x=AnchorPosition_getPageOffsetLeft(document.all[anchorname]);
        y=AnchorPosition_getPageOffsetTop(document.all[anchorname]);
        }
    else if (use_gebi) {
        var o=document.getElementById(anchorname);
        x=AnchorPosition_getPageOffsetLeft(o);
        y=AnchorPosition_getPageOffsetTop(o);
        }
    else if (use_css) {
        x=AnchorPosition_getPageOffsetLeft(document.all[anchorname]);
        y=AnchorPosition_getPageOffsetTop(document.all[anchorname]);
        }
    else if (use_layers) {
        var found=0;
        for (var i=0; i<document.anchors.length; i++) {
            if (document.anchors[i].name==anchorname) { found=1; break; }
            }
        if (found==0) {
            coordinates.x=0; coordinates.y=0; return coordinates;
            }
        x=document.anchors[i].x;
        y=document.anchors[i].y;
        }
    else {
        coordinates.x=0; coordinates.y=0; return coordinates;
        }
    coordinates.x=x;
    coordinates.y=y;
    return coordinates;
    }

// getAnchorWindowPosition(anchorname)
//   This function returns an object having .x and .y properties which are the coordinates
//   of the named anchor, relative to the window
function getAnchorWindowPosition(anchorname) {
    var coordinates=getAnchorPosition(anchorname);
    var x=0;
    var y=0;
    if (document.getElementById) {
        if (isNaN(window.screenX)) {
            x=coordinates.x-document.body.scrollLeft+window.screenLeft;
            y=coordinates.y-document.body.scrollTop+window.screenTop;
            }
        else {
            x=coordinates.x+window.screenX+(window.outerWidth-window.innerWidth)-window.pageXOffset;
            y=coordinates.y+window.screenY+(window.outerHeight-24-window.innerHeight)-window.pageYOffset;
            }
        }
    else if (document.all) {
        x=coordinates.x-document.body.scrollLeft+window.screenLeft;
        y=coordinates.y-document.body.scrollTop+window.screenTop;
        }
    else if (document.layers) {
        x=coordinates.x+window.screenX+(window.outerWidth-window.innerWidth)-window.pageXOffset;
        y=coordinates.y+window.screenY+(window.outerHeight-24-window.innerHeight)-window.pageYOffset;
        }
    coordinates.x=x;
    coordinates.y=y;
    return coordinates;
    }

// Functions for IE to get position of an object
function AnchorPosition_getPageOffsetLeft (el) {
    var ol=el.offsetLeft;
    while ((el=el.offsetParent) != null) { ol += el.offsetLeft; }
    return ol;
    }
function AnchorPosition_getWindowOffsetLeft (el) {
    return AnchorPosition_getPageOffsetLeft(el)-document.body.scrollLeft;
    }   
function AnchorPosition_getPageOffsetTop (el) {
    var ot=el.offsetTop;
    while((el=el.offsetParent) != null) { ot += el.offsetTop; }
    return ot;
    }
function AnchorPosition_getWindowOffsetTop (el) {
    return AnchorPosition_getPageOffsetTop(el)-document.body.scrollTop;
    }