var _STATUS = 0;
var WIN_DRAG_APPROVED = false;
var _WIN_X, _WIN_Y, _WIN_O;
var _WIN_UPPER_LIMIT  = 0;
var _WIN_CLICK_X, _WIN_CLICK_Y;
var _WIN_DEF_HEIGHT = 150;
var _WIN_DOC_MOUSE_MOVE_BAK;
var _WIN_HTML = '';
var _WIN_IMG_DIR = '/LibWebControls/Images';
var LastFocusWinName = null; 
var isIE = document.all;

function GetFloatingFrameElement(elementID)
{
    if(document.layers)						//NN4+
    {
       return document.layers[elementID];
    }
    else if(document.getElementById)		//gecko(NN6) + IE 5+
    {
        return document.getElementById(elementID);
    }
    else if(document.all)					// IE 4
    {
        return document.all[elementID];
    }		
}

if(typeof HTMLElement!="undefined" && !HTMLElement.prototype.insertAdjacentElement)
{
	HTMLElement.prototype.insertAdjacentElement = function(where,parsedNode)
	{
		switch (where)
		{
		case 'BeforeBegin':
		case 'beforeBegin':
			this.parentNode.insertBefore(parsedNode,this)
			break;
		case 'AfterBegin':			
		case 'afterBegin':
			this.insertBefore(parsedNode,this.firstChild);
			break;
		case 'BeforeEnd':			
		case 'beforeEnd':
			this.appendChild(parsedNode);
			break;
		case 'AfterEnd':
		case 'afterEnd':
			if (this.nextSibling) this.parentNode.insertBefore(parsedNode,this.nextSibling);
			else this.parentNode.appendChild(parsedNode);
			break;
		}
	}

	HTMLElement.prototype.insertAdjacentHTML = function(where,htmlStr)
	{
		var r = this.ownerDocument.createRange();
		r.setStartBefore(this);
		var parsedHTML = r.createContextualFragment(htmlStr);
		this.insertAdjacentElement(where,parsedHTML)
	}


	HTMLElement.prototype.insertAdjacentText = function(where,txtStr)
	{
		var parsedText = document.createTextNode(txtStr)
		this.insertAdjacentElement(where,parsedText)
	}
}

// Variable Name must be the same WinID
function FloatingFrame(WinID, Title, X, Y, Width, Height)
{
	this.WinID = WinID;
	this.Title = Title;
	this.X = X;
	this.Y = Y;
	
	this.Width  = (Width==null) ?(300):(Width);
	this.Height = (Height==null)?(''):(Height);
	
	this._Z_INDEX = 0;
	this._ON_TOP = 0;
	this._MINIMIZE = 1;
	this._MAXIMIZE = 1;
	this._CLOSE = 1;
	this._BUTTON_W = '';
	this._AUTO_FREE_MEM = 1;
	
	this.Draw = Win_Draw;
	this.UnDraw = Win_UnDraw;
	this.Hide = Win_Hide;
	this.Show = Win_Show;
	
	this.TitleStyleClass = 'WindowTitle';
	this.TitleHeader = '';
	this.BodyHTML = '';
	this.IconURL = '';
	this.IconWidth = 1;
	
	this.OnIconClick = '';
	this.OnStartDrag = '';
	this.OnEndDrag = '';
	this.OnMinimize = '';
	this.OnMaximize = '';
	this.OnClose = '';
	
	this.Status = new Array();
	this.Status._VIEW = 1;
	this.Status._MIN = 0;
	this.Status._MAX = 0;
	
}

//------------ Create a Window Layer
function Win_Draw()
{	
	var sTempW;
	if (this._BUTTON_W != '') sTempW = 'width = ' + this._BUTTON_W;
	_WIN_HTML = '';	
	Win_InsertHTML('<Div style="position:absolute;" id=Div_'+ this.WinID + '>');
	Win_InsertHTML('<Table ID='+ this.WinID +' Border=1 class=WindowBorder OnMouseDown="Win_SetFocus(\''+this.WinID+'\')" width=' + this.Width + ' cellpadding=0 cellspacing=0>');	
		Win_InsertHTML('<TR><TD><Table ID=Title_'+ this.WinID +' class='+this.TitleStyleClass+' width=100% border=0 cellpadding=1 cellspacing=0><TR>');
			if (this.IconURL != '')
				Win_InsertHTML('<TD valign=Top width='+this.IconWidth+' onclick="'+this.OnIconClick+'"><Img src='+this.IconURL+' style="cursor:default;"></TD>');
			Win_InsertHTML('<TD width=1>' + this.TitleHeader + '</TD>');			
			Win_InsertHTML('<TD class=WindowDragMe  onmousedown="Win_StartDrag(\''+this.WinID+'\', event);" onmouseup="Win_EndDrag(\''+this.WinID+'\', event);" ondblclick="Win_Minimize(\''+this.WinID+'\', event);">' + this.Title + '</TD>');						
			if (this._MINIMIZE == 1)				
				Win_InsertHTML('<TD width=1 onclick="Win_Minimize(\''+this.WinID+'\');"><Img src='+_WIN_IMG_DIR+'/FloatingFrame_icoUp.gif name=Img_'+this.WinID+'_Arrow '+sTempW+'></TD>');
			if (this._MAXIMIZE == 1)
				Win_InsertHTML('<TD width=1 onclick="Win_Maximize(\''+this.WinID+'\');"><Img src='+_WIN_IMG_DIR+'/FloatingFrame_icoRestore.gif name=Img_'+this.WinID+'_Maximize '+sTempW+'></TD>');
			if (this._CLOSE == 1)
				Win_InsertHTML('<TD width=1 onclick="'+this.WinID+'.UnDraw();"><Img src='+_WIN_IMG_DIR+'/FloatingFrame_icoClose.gif '+sTempW+'></TD>');
		Win_InsertHTML('</TR></Table>');
		
		Win_InsertHTML('<TR><TD id=Div_'+ this.WinID +'_Body>');		
		
		//Scroll bar
		Win_InsertHTML('<DIV class=WindowScrollDiv id=Div_'+ this.WinID +'_Scroll>');Win_InsertHTML('<Table width=100% border=0 cellpadding=0 cellspacing=0 class=WindowScrollDiv><TD>');
		//----------
			//BODY			
			Win_InsertHTML(this.BodyHTML);

		//END Scroll bar
		Win_InsertHTML('</TD></Table>');Win_InsertHTML('</Div>');
		//--------------
		
		Win_InsertHTML('</TD></TR>');
		
	Win_InsertHTML('</Table>');	
	Win_InsertHTML('</Div>');
	document.body.insertAdjacentHTML("BeforeEnd", _WIN_HTML); _WIN_HTML = '';
	if (this.Status._VIEW == 0)
		GetFloatingFrameElement('Div_'+this.WinID).style.visibility = 'hidden';
	if (this.Status._MIN == 1)
		Win_Minimize(this.WinID);
	if (this.Status._MAX == 1)
		Win_Maximize(this.WinID);
		
	if (this._Z_INDEX != 0)
		GetFloatingFrameElement('Div_'+this.WinID).style.zIndex = this._Z_INDEX;
	GetFloatingFrameElement('Div_'+this.WinID).style.top = this.Y;
	GetFloatingFrameElement('Div_'+this.WinID).style.left = this.X;	
	
	if (this._AUTO_FREE_MEM)
	{
		this.TitleStyleClass = '';
		this.TitleHeader = '';
		this.BodyHTML = '';
		this.IconURL = '';
	}
}
function Win_UnDraw()
{	
	if (isIE) eval(this.OnClose);
	alert("Win_UnDraw");
	var ObjName = 'Div_' + this.WinID; 
	GetFloatingFrameElement(ObjName).innerHTML = '';	
	GetFloatingFrameElement(ObjName).id = '';
	var wObj = eval(this.WinID);
	wObj = null;
}
function Win_Hide()
{
	if (isIE) eval(this.OnClose);
	var ObjName = 'Div_' + this.WinID; 
	GetFloatingFrameElement(ObjName).style.visibility = 'hidden';
	this.Status._VIEW = 0;
}
function Win_Show()
{
	if (isIE) eval(this.OnClose);
	var ObjName = 'Div_' + this.WinID; 
	GetFloatingFrameElement(ObjName).style.visibility = 'visible';	
	this.Status._VIEW = 1;
}
//------------   Insert Str to HTML STACK
function Win_InsertHTML(Str)
{
	_WIN_HTML += Str;
}
//------------
function Win_Move( e )
{
	if (_WIN_DRAG_APPROVED)
	{
		var _clientX = isIE ? event.clientX : e.clientX;
		var _clientY = isIE ? event.clientY : e.clientY;
				
		_WIN_O.style.left = _WIN_X + _clientX - _WIN_CLICK_X;
		if (_WIN_Y + _clientY - _WIN_CLICK_Y >= _WIN_UPPER_LIMIT) _WIN_O.style.top = _WIN_Y + _clientY - _WIN_CLICK_Y;
		
		return false;
	}
}


function Win_StartDrag(WinID, e)
{		
	if (isIE) eval(eval(WinID+'.OnStartDrag'));
	var ObjName = 'Div_' + WinID;
	_WIN_DRAG_APPROVED = true;		
	_WIN_O = GetFloatingFrameElement(ObjName);	
	_WIN_X = parseInt(_WIN_O.style.left);
	_WIN_Y = parseInt(_WIN_O.style.top);
	_WIN_CLICK_X = isIE ? event.clientX : e.clientX;
	_WIN_CLICK_Y = isIE ? event.clientY : e.clientY;
	_WIN_DOC_MOUSE_MOVE_BAK = document.onmousemove;
	document.onmousemove = Win_Move;	
}
function Win_EndDrag(WinID)
{
	if (isIE) eval(eval(WinID+'.OnEndDrag'));
	_WIN_DRAG_APPROVED = false;
	document.onmousemove = _WIN_DOC_MOUSE_MOVE_BAK;
}
function Win_Minimize(WinID)
{
	if (isIE) eval(eval(WinID+'.OnMinimize'));
	var ObjName = 'Div_' + WinID + '_Body';
	var Obj = GetFloatingFrameElement(ObjName);
	
	var Ok = Obj.style.display != 'none';
	if (Ok)
	{		
		GetFloatingFrameElement(ObjName).style.display = 'none';
		Win_ChangeImageSrc('Img_' + WinID + '_Arrow',_WIN_IMG_DIR + '/FloatingFrame_icoDown.gif');				
		eval(WinID+'.Status._MIN = 1;');
		return 0;
	}
	else
	{
		GetFloatingFrameElement(ObjName).style.display = '';
		//GetFloatingFrameElement(ObjName).style.display = 'block';
		Win_ChangeImageSrc('Img_' + WinID + '_Arrow',_WIN_IMG_DIR + '/FloatingFrame_icoUp.gif');
		eval(WinID+'.Status._MIN = 0;');
		return 1;
	}		
}
//
function Win_Maximize(WinID)
{		
	if (isIE) eval(eval(WinID+'.OnMaximize'));
	var ObjName = 'Div_' + WinID + '_Scroll';
	//alert('_'+GetFloatingFrameElement(ObjName).style.overflowY+'_');
	if (GetFloatingFrameElement(ObjName).style.overflowY != 'scroll')
	{
		GetFloatingFrameElement(ObjName).style.overflowY = 'scroll';
		GetFloatingFrameElement(ObjName).style.height = _WIN_DEF_HEIGHT;
		Win_ChangeImageSrc('Img_' + WinID + '_Maximize',_WIN_IMG_DIR + '/FloatingFrame_icoMaximize.gif');		
		eval(WinID+'.Status._MAX = 0;');
		return 0;
	}
	else
	{
		GetFloatingFrameElement(ObjName).style.overflowY = 'hidden';
		GetFloatingFrameElement(ObjName).style.height = 'auto';
		Win_ChangeImageSrc('Img_' + WinID + '_Maximize',_WIN_IMG_DIR + '/FloatingFrame_icoRestore.gif');
		eval(WinID+'.Status._MAX = 1;');
		return 1;
	}	
}
function Win_SetFocus(WinID)
{	
	var wObj = eval(WinID);
	if (wObj._ON_TOP != 0) return;
	
	var ObjName = 'Div_' + WinID;
	if (LastFocusWinName !='' && GetFloatingFrameElement(LastFocusWinName) != null)
		GetFloatingFrameElement(LastFocusWinName).style.zIndex--;		

	GetFloatingFrameElement(ObjName).style.zIndex = 10;
	LastFocusWinName = ObjName;
}

function GetFloatingFrameByID(FloatingFrameID)
{
	return GetFloatingFrameElement('Div_' + FloatingFrameID);
}

//------------   Change an Image Source File
function Win_ChangeImageSrc(ImgName, Src)
{
	document.images[ImgName].src = Src;
}