<!--

// Layer shrine - (C) Mikko Karvonen 2000-2001

// Version 1.06 - 29/Jan/2001

//

// Changes in 1.06: Opera support

//

// Thanks to Mikko Uromo for ideas (!)

// Some ideas + code borrowed from 'dHtmlCoreFuncs.js' by LargeMedia

//

// F&L Management Services Ltd. edition


var agt=navigator.userAgent.toLowerCase();

var is_major = parseInt(navigator.appVersion);

var is_minor = parseFloat(navigator.appVersion);

var is_nav = ((agt.indexOf('mozilla')!=-1) && (agt.indexOf('spoofer')==-1) && (agt.indexOf('compatible') == -1));

var is_nav4 = (is_nav && (is_major == 4));

var is_nav4up = (is_nav && (is_major >= 4));

var is_nav5 = (is_nav && (is_major == 5));

var is_nav5up = (is_nav && (is_major >= 5));

var is_ie = (agt.indexOf("msie") != -1);

var is_ie3 = (is_ie && (is_major < 4));

var is_ie4 = (is_ie && (is_major == 4) && (agt.indexOf("msie 5")==-1) );

var is_ie4up = (is_ie  && (is_major >= 4));

var is_ie5  = (is_ie && (is_major == 4) && (agt.indexOf("msie 5.0")!=-1) );

var is_ie55 = (is_ie && (is_major == 4) && (agt.indexOf("msie 5.5")!=-1) );

var is_ie5up = (is_ie && !is_ie3 && !is_ie4 || is_ie55);

var is_opera = (agt.indexOf("opera") != -1);

var is_mac = (agt.indexOf("mac")!=-1);


// Assign the methods and properties for the Layer object

if (is_ie5up || is_nav5up || is_opera) {

  Layer.prototype.moveTo          = DOM_MoveLayerTo;

}

else {

  Layer.prototype.moveTo          = moveLayerTo;

}

if (is_nav4) {

  Layer.prototype.getContentHeight  = NS4_GetLayerContentHeight;

}

else {

  Layer.prototype.getContentHeight  = DOM_GetLayerContentHeight;

}

Layer.prototype.getYPosition      = getLayerYPosition;

Layer.prototype.hide              = hideLayer;

Layer.prototype.show              = showLayer;


Layer.parentIdArray = new Array();

Layer.idArray = new Array();

Layer.idArray.i = 0;

Layer.isSet = false;

LayerTest = new Function("return true");


/////////////////////////////////

// The Layer object constructor

/////////////////////////////////

function Layer(id,parent_id) {

  var parent = parent_id;

  if (!Layer.isSet) initLayer(parent);

  if (is_nav4) {

    if (!parent_id) var parent_id = Layer.parentIdArray[id];

    if (!LayerTest(id,parent_id)) return;

    this.css = (parent_id) ? eval("document."+parent_id+".document."+id) : document.layers[id];

    this.elm = this.event = this.css;

    this.doc = this.css.document;

    this.x = this.css.left;

    this.y = this.css.top;

    this.w = this.css.clip.width;

    this.h = this.css.clip.height; 		

    this.relativeX = this.css.pageX;

    this.relativeY = this.css.pageY;


		if (!parent_id) {

      this.parentTop = true;

      this.theparent = window;

      this.theparent.w = this.theparent.innerWidth;

      this.theparent.h = this.theparent.innerHeight;

    }

    else {

      this.parentTop = false;

      var layerref = "t."+parent_id;

			if (parent_id.lastIndexOf("ID") != -1)

        this.theparent = eval(layerref.substring(layerref.lastIndexOf("t.")+2,layerref.lastIndexOf("ID")));

		}

  }

  else if (is_ie4up || is_nav5up || is_opera) {

    if (is_ie5up || is_nav5up || is_opera) {

      this.elm = document.getElementById(id);

      this.css = this.elm.style;

      this.w = this.elm.offsetWidth;

      this.h = this.elm.offsetHeight;

      pnode = this.elm.parentNode;

    }

    else if (is_ie4) {

      this.elm = this.event = document.all[id];

      this.css = document.all[id].style;

      this.w = this.css.pixelWidth;

      this.h = this.css.pixelHeight;

      pnode = this.elm.parentElement;

    }

    this.doc = document;

    this.x = this.elm.offsetLeft;

    this.y = this.elm.offsetTop;

    this.relativeX = this.elm.offsetLeft;

    this.relativeY = this.elm.offsetTop;


    if (pnode.id == "") {

      this.parentTop = true;

      this.theparent = document;

      this.theparent.w = this.theparent.body.clientWidth;

      this.theparent.h = this.theparent.body.clientHeight;

    }

    else {

      this.parentTop = false;

      this.theparent = eval(pnode.id.replace("ID",""));

    }

  }

  this.id = id

  this.parent_id = parent_id;

}


function initLayer(parent_id) {

  if (!Layer.isSet) Layer.isSet = true;

  if (is_nav4) {

    if (parent_id) ref = eval("document."+parent_id+".document");

    else {

      parent_id = "";

      ref = document;

    }

    for (var i=0; i<ref.layers.length; i++) {

      var divname = ref.layers[i].name;

      Layer.parentIdArray[divname] = parent_id;

      var index = divname.indexOf("ID");

      if (index > 0) {

        eval(divname.substr(0,index) + ' = new Layer("'+divname+'","'+parent_id+'")');

      }

      if (ref.layers[i].document.layers.length > 0) {

        Layer.idArray[Layer.idArray.length] = (parent_id == "") ? ref.layers[i].name : parent_id+".document."+ref.layers[i].name;

      }

    }

    if (Layer.idArray.i < Layer.idArray.length) {

      initLayer(Layer.idArray[Layer.idArray.i++])

    }

  }

  else if (is_ie4up || is_nav5up || is_opera) {

    var tags;

    if (is_ie5up || is_nav5up || is_opera) tags = document.body.getElementsByTagName("DIV");

    else if (is_ie4) tags = document.all.tags("DIV");

    for (var i=0; i<tags.length; i++) {

      var divname = tags[i].id;

      var index = divname.indexOf("ID");

      if (index > 0) {

        eval(divname.substr(0,index)+' = new Layer("'+divname+'")');

      }

    }

  }

  return true;

}


/////////////////////////////////

// DOM / NS4 / IE4 functions

/////////////////////////////////

function moveLayerTo(x,y) {

  if (x != null)

    this.x = this.css.left = x;

  if (y != null)

    this.y = this.css.top = y;

}


function DOM_MoveLayerTo(x,y) {

  if (x != null)

    this.css.left = (this.x = x)+"px";

  if (y != null)

    this.css.top = (this.y = y)+"px";

}


function getLayerYPosition() {

  return this.y;

}


function NS4_GetLayerContentHeight() {

  return this.doc.height;

}


function DOM_GetLayerContentHeight() {

  return this.elm.offsetHeight;

}


function hideLayer() {

	this.css.visibility = "hidden";

}


function showLayer() {

	this.css.visibility = "visible";

}

//-->