/*
	Global vars.
	Keeps track of layers
*/

var objLayers	=	new Array();

/*
	CLayer

	Creates an instance of a layer

	[in]	strName	name of the layer (possibly to be voided)
	[in]	strContent	content of the layer
	[in]	nTop	Layer top position
	[in]	nLeft	Layer left position
	[in]	nWidth	Layer width
	[in]	nHeight	Layer height
	[in]	strClass	Layer classname
	[in]	objParent	Object to insert layer into
	[out]	none
	[return] none

*/
function CLayer(strName, strContent, nTop, nLeft, nWidth, nHeight, objParent){
	this.strName	=	strName;
	this.strContent	=	strContent;
	this.nTop	=	nTop;
	this.nLeft	=	nLeft;
	this.nWidth	=	nWidth;
	this.nHeight	=	nHeight;
	if (!objParent)
		objParent	=	"document.body";
	this.objParent	=	objParent;

	this.objElement	=	null;
	this.nTime	=	0;

	this.m_CreateLayer	=	p_CreateLayer;
	this.m_MoveTo	=	p_MoveTo;
	this.m_MoveBy	=	p_MoveBy;
	this.m_SetSpecificStyle	=	p_SetSpecificStyle;
	this.m_ChangeContent	=	p_ChangeContent;
	this.m_Togglevisibility	=	p_Togglevisibility;
	this.m_SetDownEvent	=	p_SetDownEvent;
	this.m_CreateLayer();
}

/*
	p_CreateLayer

	Layer member function, creates the elemnt

*/
function p_CreateLayer(){
	//var strLayer = "<div style=position:absolute id=" + this.strName + "></div>";
	//document.body.insertAdjacentHTML("beforeEnd", strLayer);
        var objLayer = document.createElement("div");
        objLayer.style.position = "absolute";
        objLayer.id = ("" + this.strName);
        document.body.appendChild(objLayer);
	objLayer.innerHTML 	= this.strContent;
	objLayer.style.top 	= this.nTop;
	objLayer.style.left	= this.nLeft;
	objLayer.style.width	= this.nWidth;
	objLayer.style.height	= this.nHeight;
	this.objElement	= objLayer;
	var objParent 	= eval(this.objParent);
	objLayers[ this.strName ] = this;
}

/*
	p_MoveTo

	CLayer member function
	Moves layer to specific positions

	[in]	nX	X (left) position to move to
	[in]	nY	Y (top) position to move to
*/
function p_MoveTo(nX, nY){
	this.objElement.style.left 	= nX+'px';
	this.objElement.style.top 	= nY+'px';
}

/*
	p_MoveBy

	CLayer member function
	Moves layer by a specific amount

	[in]	nX	X (left) position to move by
	[in]	nY	Y (top) position to move by
*/
function p_MoveBy(nX, nY){
	var nOrgX = parseInt (this.objElement.style.left);
	var nOrgY = parseInt (this.objElement.style.top);
	this.objElement.style.left 	= nOrgX + nX+'px';
	this.objElement.style.top 	= nOrgY + nY+'px';
}

/*
	p_SetSpecificStyle

	CLayer member function
	Set specific additonal style for layer

	[in]	nX	X (left) position to move by
	[in]	nY	Y (top) position to move by
*/
function p_SetSpecificStyle(strProp, strValue){
	eval("this.objElement.style." + strProp + " = '" + strValue + "'");
}

/*
	p_ChangeContent

	CLayer member function
	Changes content inside layer

	[in]	strContent	Content to insert
*/
function p_ChangeContent(strContent){
	this.objElement.innerHTML = strContent;
}

/*
	p_Togglevisibility

	CLayer member function
	Toggle visibility

*/
function p_Togglevisibility(strMode){
	if (!strMode){
		if (this.objElement.style.visibility == "visible")
			this.objElement.style.visibility = "hidden";
		else
			this.objElement.style.visibility = "visible";
	}
	else{
		if (this.objElement.style.visibility != strMode)
			this.objElement.style.visibility = strMode;
	}
}

function p_SetDownEvent(strAction){
	this.objElement.onclick = function(){eval(strAction)};
}

/*
	GetLayer

	Gets a previously created object

	[in]	strName	Name of layer to fetch
	[return]	The layer
*/
function GetLayer(strName){
	return objLayers[ strName ];
}


/*

    Emptied for mit nykredit design ((almost) no layers)

*/
function SetLayers(strUri_Level_1_Prefix){}