//Layer.js - This file sets up the layers for the country navigation
//Written by: M.Amplo, S.Bender, K.Burkhardt
//Please note: This is NOT compatible with Netscape 6.0
var layerList = new Array();
//********************************************************************************
//Added For Image Placeholder Logic
var isMinNS4 = (navigator.appName.indexOf("Netscape") >= 0 &&
parseFloat(navigator.appVersion) >= 4) ? 1 : 0;
var isMinIE4 = (document.all) ? 1 : 0;
var isMinIE5 = (isMinIE4 && navigator.appVersion.indexOf("5.") >= 0) ? 1 : 0;
//*********************************************************************************
function createLayer(doc, name, left, top, width, height, visible, content) {
var z = layerList.length;
var layer;
layerList[z] = name;
if (document.layers) {
document.writeln('');
document.writeln(content);
document.writeln('');
layer = getLayer(doc, name);
layer.width = width;
layer.height = height;
}
if (document.all) {
document.writeln('');
document.writeln(content);
document.writeln('
');
}
}
function hideLayer(doc, name) {
var layer = getLayer(doc, name);
if (doc.layers)
layer.visibility = "hide";
if (doc.all)
layer.visibility = "hidden";
}
function showLayer(doc, name) {
var layer = getLayer(doc, name);
if (doc.layers)
layer.visibility = "show";
if (doc.all)
layer.visibility = "visible";
}
function getLayer(doc, name) {
// Returns a handle to the named layer.
if (doc.layers)
return(doc.layers[name]);
else if (doc.all) {
layer = eval('doc.all.' + name + '.style');
return(layer);
}
else
return(null);
}
function getLayerVis(name) {
var isVisible = null;
if (document.layers){
if (getLayer(name).visibility == "show") {
isVisible = 1;
} else {
isVisible = 0;
}
}
else if (document.all) {
if (getLayer(name).visibility == "visible") {
isVisible = 1;
} else {
isVisible = 0;
}
}
else {
isVisible = null;
}
return(isVisible);
}
function moveLayer(name, amt, dir) {
var lh = getLayer(name);
if (document.layers) {
// move the layer lh by amt in the dir direction.
if (dir == 0) {
lh.top -= amt;
} else {
lh.top += amt;
}
}
else if (document.all) {
if (dir == 0) {
lh.top = eval(lh.top.substring(0, lh.top.indexOf('px'))) - amt;
} else {
lh.top = eval(lh.top.substring(0, lh.top.indexOf('px'))) + amt;
}
} else {
// do nothing
}
}
var param_string=unescape(location.search.substring(1,location.search.length));
//===============================================================================================================================================================================================================================================================================================
function getParam(name_string) {
var startIndex=(param_string.indexOf(name_string));
if (startIndex==-1)
{ return ""; }
startIndex+=name_string.length;
if ((startIndex>=param_string.length)||(param_string.charAt(startIndex)=='&'))
{ return ""; }
else {
var endIndex=param_string.indexOf('&',startIndex);
if (endIndex==-1)
{ endIndex=param_string.length; }
if (startIndex==endIndex)
{ return ""; }
else
{ return param_string.substring(startIndex,endIndex); }
}
}
//===============================================================================================================================================================================================================================================================================================
function SubCountriesLayer(paramcountry) {
var content = '';
var country = paramcountry;
//===========================================================================================================================================================================================================================================================================================
// Create reuters.com country menus [United States]
if (country==".com") {
content += '';
content += ' |  Asia | |
';
content += ' | | |
';
content += ' |  Germany | |
';
content += ' | | |
';
content += ' |  Japan | |
';
content += ' | | |
';
content += ' |  South Africa | |
';
content += ' | | |
';
content += ' |  United Kingdom | |
';
content += ' | | |
';
content += '
'; }
//===========================================================================================================================================================================================================================================================================================
// Check browser and OS version and place layer in the proper position
var img;
var left;
var top;
//Retrieve The PlaceHolder Invisible Image Image
img = getImage("countriesplaceholder");
left = getImagePageLeft(img);
top = getImagePageTop(img);
//Based On Browser Type Build The Layer
//Netscape
//Only Using Layers In IE Due To Netscape Problems
/*
if (document.layers) {
createLayer(document, 'layer1', left - 35, top + 17, 170, 500, 0, content);
}
*/
//IE
if (document.all) {
//Check For IE Version
var msieIndex = navigator.appVersion.indexOf("MSIE") + 5;
var result = parseFloat(navigator.appVersion.substr(msieIndex,3));
if (result >= 5.5) {
createLayer(document, 'layer1', left - 29, top + 11, 170, 500, 0, content);
}
else {
//Browser Is Less Than Version 5.5 So Implement The Coordinates Differently
createLayer(document, 'layer1', left - 29, top + 11, 170, 500, 0, content);
}
}
}
//===============================================================================================================================================================================================================================================================================================
//The Following Functions Are Used To Get The PlaceHolder Image
function getImage(name) {
if (isMinNS4) {
return findImage(name, document);
}
if (isMinIE4)
return eval('document.all.' + name);
return null;
}
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 (isMinNS4) {
if (img.container != null)
return img.container.pageX + img.x;
else
return img.x;
}
if (isMinIE4) {
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 (isMinNS4) {
if (img.container != null)
return img.container.pageY + img.y;
else
return img.y;
}
if (isMinIE4) {
y = 0;
obj = img;
while (obj.offsetParent != null) {
y += obj.offsetTop;
obj = obj.offsetParent;
}
y += obj.offsetTop;
return y;
}
return -1;
}
function SubAboutNavLayer() {
var content = '';
//===========================================================================================================================================================================================================================================================================================
// Create About Menu
content += '';
//===========================================================================================================================================================================================================================================================================================
//===========================================================================================================================================================================================================================================================================================
// Check browser and OS version and place layer in the proper position
var img;
var left;
var top;
img = getImage("aboutplaceholder");
left = getImagePageLeft(img);
top = getImagePageTop(img);
//Netscape
if (document.layers) {
createLayer(document, 'layer2', left - 8, top + 17, 170, 500, 0, content);
}
//IE
if (document.all) {
//Check For IE Version
var msieIndex = navigator.appVersion.indexOf("MSIE") + 5;
var result = parseFloat(navigator.appVersion.substr(msieIndex,3));
if (result >= 5.5) {
createLayer(document, 'layer2', left - 20, top + 11, 170, 500, 0, content);
}
else {
//Browser Is Less Than Version 5.5 So Implement The Coordinates Differently
createLayer(document, 'layer2', left - 20, top + 11, 170, 500, 0, content);
}
}
}
//===========================================================================================================================================================================================================================================================================================
// Global Variables
var timerID;
var dhtml = 0;
var num_sub_layers = 1;
var ready = false;
var imageDB = new Array();
var imgbase = "images";
if ((document.layers)||(document.all)) {
dhtml = 1; }
//===========================================================================================================================================================================================================================================================================================
function goto_page(new_page) {
if (new_page != 'nothing') {
clearNav();
document.location.href = new_page; }
//this.parent.SLABody.
}
//===========================================================================================================================================================================================================================================================================================
function clearNav(area) {
var i;
for (i=1; i <=num_sub_layers+1;i++) {
hideLayer(document, "layer" + i);
}
showFormElements(area);
}
//===========================================================================================================================================================================================================================================================================================
function hideFormElements(area) {
var vHome = "home";
var vNews = "news";
var vMarkets = "markets";
var vQuotes = "quotes";
if (area == vHome) {
if (isMinIE4) {
//Code To Hide GSL on Home Page If Necessary Uncomment
/*
document.topQuoteForm.lookupMethod[0].style.visibility = 'hidden';
document.topQuoteForm.lookupMethod[1].style.visibility = 'hidden';
document.topQuoteForm.ticker.style.visibility = 'hidden';
*/
}
}
if (area == vNews) {
if (isMinIE4) {
//Code To Hide GSL on News Page If Necessary Uncomment
/*
document.topQuoteForm.lookupMethod[0].style.visibility = 'hidden';
document.topQuoteForm.lookupMethod[1].style.visibility = 'hidden';
document.topQuoteForm.ticker.style.visibility = 'hidden';
*/
}
}
if (area == vMarkets) {
//alert('you chose markets');
}
if (area == vQuotes) {
//Code To Hide Form Elements on Quote Lookup Page
if (document.quoteBodyForm) {
document.quoteBodyForm.quotesformselect.style.visibility = 'hidden';
}
else {
//Code To Hide GSL on Quotes Results Page If Necessary Uncomment
/*
document.topQuoteForm.lookupMethod[0].style.visibility = 'hidden';
document.topQuoteForm.lookupMethod[1].style.visibility = 'hidden';
document.topQuoteForm.ticker.style.visibility = 'hidden';
*/
}
}
}
//=================================================================================================
function showFormElements(area) {
var vHome = "home";
var vNews = "news";
var vMarkets = "markets";
var vQuotes = "quotes";
if (area == 'home') {
if (isMinIE4) {
//Code To Show GSL on Home Page If Necessary Uncomment
/*
document.topQuoteForm.lookupMethod[0].style.visibility = 'visible';
document.topQuoteForm.lookupMethod[1].style.visibility = 'visible';
document.topQuoteForm.ticker.style.visibility = 'visible';
*/
}
}
if (area == 'news') {
if (isMinIE4) {
//Code To Show GSL on News Page If Necessary Uncomment
/*
document.topQuoteForm.lookupMethod[0].style.visibility = 'visible';
document.topQuoteForm.lookupMethod[1].style.visibility = 'visible';
document.topQuoteForm.ticker.style.visibility = 'visible';
*/
}
}
if (area == 'markets') {
//alert('you chose markets');
}
if (area == 'quotes') {
if (document.quoteBodyForm) {
//Code To Show Form Elements on Quote Form Page
document.quoteBodyForm.quotesformselect.style.visibility = 'visible';
}
else {
//Code To Show GSL on Quote Results Page If Necessary Uncomment
/*
document.topQuoteForm.lookupMethod[0].style.visibility = 'visible';
document.topQuoteForm.lookupMethod[1].style.visibility = 'visible';
document.topQuoteForm.ticker.style.visibility = 'visible';
*/
}
}
}
function showSubMenu(mainMenu, subMenu, area) {
clearTimeout(timerID);
if (mainMenu) {
clearNav();}
if (subMenu > 0) {
showLayer(document, "layer" + subMenu);
hideFormElements(area);
}
}
//===========================================================================================================================================================================================================================================================================================
function setTimer(area) {
timerID = setTimeout("clearNav(area)", 500);
}
//===========================================================================================================================================================================================================================================================================================
function DisplayStat(cur_sel) {
var new_page = cur_sel.options[cur_sel.selectedIndex].value;
document.location.replace(new_page); }
//===========================================================================================================================================================================================================================================================================================
function showCountries() { }
//===========================================================================================================================================================================================================================================================================================
function getBrowserType() {
//IE Found
if (document.all) {
var msieIndex = navigator.appVersion.indexOf("MSIE") + 5;
var result = parseFloat(navigator.appVersion.substr(msieIndex,3));
if (result >= 5.5) {
return "IE55";
}
else {
return "IE50";
}
}
//Netscape 4
else if (document.layers) {
return "Netscape4";
}
//Netscape 6
else if (document.getElementById) {
return "Netscape6";
}
}