// Javascript for the DropDown Menu

/**
 * DHTML dropdown menu script. Courtesy of SmartWebby.com (http://www.smartwebby.com/dhtml/)
 */
 
 var bName = navigator.appName;
 var bVer = parseInt(navigator.appVersion);
 var NS = (bName == "Netscape");
 var IE = (bName == "Microsoft Internet Explorer");
 window.onerror = null;
 var menuActive = 0;
 var menuOn = 0;
 var onLayer;
 var timeOn = null // LAYER SWITCHING CODE
 
 layerStyleRef="layer.style.";
 layerRef="document.getElementById";
 styleSwitch=".style";
 layerVis="visible";
 layerHid="hidden";
 
// SHOW MENU
function shLayer(layerName){
	onLayer = layerName;
 	img = getImage("imgTabs");
 	x = getImagePageLeft(img);
 	y = getImagePageTop(img);
 	menuTop = y + 0 ; // LAYER TOP POSITION
 	MKurserL = x + 75 ; // 'MKurser' LAYER LEFT POSITION
 	MEvenemangL = x + 155 ;  // 'MEvenemang' LAYER LEFT POSITION
	MGalleriL = x + 263 ;  // 'MGalleri' LAYER LEFT POSITION
	MKlubbinfoL = x + 412 ;  // 'MKlubbinfo' LAYER LEFT POSITION
	MLankarL = x + 515 ;  // 'MLankar' LAYER LEFT POSITION
	
	if (timeOn != null) {
	 	clearTimeout(timeOn)
 		hideLayer(onLayer)
 	}
 	eval(layerRef+'("'+layerName+'")'+styleSwitch+'.visibility="'+layerVis+'"');
 	eval(layerRef+'("'+layerName+'")'+styleSwitch+'.top="'+menuTop+'"');
 	eval(layerRef+'("'+layerName+'")'+styleSwitch+'.left="'+eval(layerName+'L')+'"');
}

// HIDE MENU
function hideLayer(layerName){
 	if (menuActive == 0) {
 		eval(layerRef+'("'+layerName+'")'+styleSwitch+'.visibility="'+layerHid+'"');
 	}
}

// TIMER FOR BUTTON MOUSE OUT
function btnTimer() {
 	timeOn = setTimeout("btnOut()",1000)
}

// BUTTON MOUSE OUT
function btnOut(layerName) {
 	if (menuActive == 0) {
 		hideLayer(onLayer)
 	}
}

// MENU MOUSE OVER 
function menuOver(itemName) {
 	clearTimeout(timeOn)
 	menuActive = 1
}

// MENU MOUSE OUT 
function menuOut(itemName) {
 	menuActive = 0 
 	timeOn = setTimeout("hideLayer(onLayer)", 100)
}
 
 // SET BACKGROUND COLOR 
function setBgColor(layer, color) {
  if (NS){
    eval('document.getElementById("'+layer+'").style.backgroundColor="'+color+'"');
  }
  else if (IE){
    eval('document.all.'+layer+'.style.backgroundColor="'+color+'"');
  }
}

function getImage(name) {
  return eval('document.all.' + name);
}

function findImage(name, doc) {
  var i, img;
  for (i = 0; i < doc.images.length; i++)
    if (doc.images[i].name == name)
      return doc.images[i];
  for (i = 0; i < doc.layers.length; i++)
    if ((img = findImage(name, doc.layers[i].document)) != null) {
      img.container = doc.layers[i];
      return img;
    }
  return null;
}

function getImagePageLeft(img) {
  var x, obj;
  if (NS) {
    if (img.container != null)
      return img.container.pageX + img.x - 1;
    else
      return img.x - 1;
  }
  if (IE) {
    x = 0;
    obj = img;
    while (obj.offsetParent != null) {
      x += obj.offsetLeft;
      obj = obj.offsetParent;
    }
    x += obj.offsetLeft;
    return x;
  }
  return -1;
}

function getImagePageTop(img) {
  var y, obj;
  if (NS) {
    if (img.container != null)
      return img.container.pageY + img.y;
    else
      return img.y;
  }
  if (IE) {
    y = 0;
    obj = img;
    while (obj.offsetParent != null) {
      y += obj.offsetTop;
      obj = obj.offsetParent;
    }
    y += obj.offsetTop;
    return y;
  }
  return -1;
}