// 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 (!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 + 13 + "px";
	        document.getElementById(this.divName).style.top = this.y + 273 + "px";
	        document.getElementById(this.divName).style.visibility = "visible";
	    }
        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";
	    }
        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";
	    }
    }
    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) 		        
	        document.getElementById(this.divName).style.visibility = "hidden";			    
        else if (this.use_css) 		        
	        document.all[this.divName].style.visibility = "hidden";			    
        else if (this.use_layers) 		        
	        document.layers[this.divName].visibility = "hidden";			    
    }
    else 
    {
        if (this.popupWindow && !this.popupWindow.closed) 
        {
	        this.popupWindow.close();
	        this.popupWindow = null;
	    }
    }
}
// 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=auto,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;
}

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;
}  

var testpopup1 = new PopupWindow("divMsgBox");
//testpopup1.offsetY = 25;
testpopup1.autoHide();

function popup1(anchorname, left, top, content) 
{        
    testpopup1.populate(content);
    testpopup1.showPopup(anchorname);
    
    var height = document.getElementById("divMsgBox").style.top.split("p");   
    var width = document.getElementById("divMsgBox").style.left.split("p");
     
    document.getElementById("divMsgBox").style.top = parseInt(height[0]) + top + "px";
    document.getElementById("divMsgBox").style.left = parseInt(width[0]) + left + "px";    
}

function closePop()
{
    document.getElementById("divMsgBox").style.visibility = "hidden";
}    
