if (document.layers || document.all || document.getElementById) canDoLayers=true;
else canDoLayers=false;
// hide and show layer functions for IE, NN4 and NN6
function hideLayer(layerName) {
if (canDoLayers) {
if (document.layers) document.layers[layerName].visibility = 'hidden';
else if (document.all) document.all[layerName].style.visibility = 'hidden';
else if (document.getElementById) document.getElementById(layerName).style.visibility = 'hidden';
activeHeaderMenu="";
}
}
function showLayer(layerName) {
if (canDoLayers) {
if (document.layers) document.layers[layerName].visibility = 'visible';
else if (document.all) document.all[layerName].style.visibility = 'visible';
else if (document.getElementById) document.getElementById(layerName).style.visibility = 'visible';
activeHeaderMenu=layerName;
}
}
if (canDoLayers) {
if (document.all || document.getElementById) {
document.writeln('');
document.writeln('');
document.writeln('');
document.writeln('');
document.writeln('');
document.writeln('');
} else if (document.layers) {
document.writeln('');
document.writeln('');
document.writeln('');
}
}
var menuTimeout;
var activeHeaderMenu;
//for head
function headerMenuMouseover(whichLayer) {
if (canDoLayers) {
switch (whichLayer) {
case "issues":
swapimg('navissues','nav_'+currSection+'_1_ro.gif');
if (activeHeaderMenu=='issues')
window.clearTimeout(menuTimeout);
else {
window.clearTimeout(menuTimeout);
hideLayer("issues");
}
hideLayer("aboutus");
hideLayer("community");
hideLayer("pressroom");
hideLayer("basics");
hideLayer("resources");
showLayer("issues");
activeHeaderMenu='issues';
functionDelay=true;
break;
case "aboutus":
swapimg('navaboutus','nav_'+currSection+'_2_ro.gif');
if (activeHeaderMenu=='aboutus')
window.clearTimeout(menuTimeout);
else {
window.clearTimeout(menuTimeout);
hideLayer("aboutus");
}
hideLayer("issues");
hideLayer("community");
hideLayer("pressroom");
hideLayer("basics");
hideLayer("resources");
showLayer("aboutus");
activeHeaderMenu='aboutus';
functionDelay=true;
break;
case "community":
swapimg('navcommunity','nav_'+currSection+'_3_ro.gif');
if (activeHeaderMenu=='community')
window.clearTimeout(menuTimeout);
else {
window.clearTimeout(menuTimeout);
hideLayer("community");
}
hideLayer("issues");
hideLayer("aboutus");
hideLayer("pressroom");
hideLayer("basics");
hideLayer("resources");
showLayer("community");
activeHeaderMenu='community';
functionDelay=true;
break;
case "pressroom":
swapimg('navpressroom','nav_'+currSection+'_4_ro.gif');
if (activeHeaderMenu=='pressroom')
window.clearTimeout(menuTimeout);
else {
window.clearTimeout(menuTimeout);
hideLayer("pressroom");
}
hideLayer("issues");
hideLayer("aboutus");
hideLayer("community");
hideLayer("basics");
hideLayer("resources");
showLayer("pressroom");
activeHeaderMenu='pressroom';
functionDelay=true;
break;
case "basics":
swapimg('navbasics','nav_'+currSection+'_5_ro.gif');
if (activeHeaderMenu=='basics')
window.clearTimeout(menuTimeout);
else {
window.clearTimeout(menuTimeout);
hideLayer("basics");
}
hideLayer("issues");
hideLayer("aboutus");
hideLayer("community");
hideLayer("pressroom");
hideLayer("resources");
showLayer("basics");
activeHeaderMenu='basics';
functionDelay=true;
break;
case "resources":
swapimg('navresources','nav_'+currSection+'_6_ro.gif');
if (activeHeaderMenu=='resources')
window.clearTimeout(menuTimeout);
else {
window.clearTimeout(menuTimeout);
hideLayer("resources");
}
hideLayer("issues");
hideLayer("aboutus");
hideLayer("community");
hideLayer("pressroom");
hideLayer("basics");
showLayer("resources");
activeHeaderMenu='resources';
functionDelay=true;
break;
}
}
}
//for head and items
function headerMenuMouseout(whichLayer) {
if (canDoLayers) {
switch (whichLayer) {
case "issues":
menuTimeout=window.setTimeout("hideLayer('issues')", 500);
if (currSection!="issu") swapimg('navissues','nav_'+currSection+'_1.gif');
break;
case "aboutus":
menuTimeout=window.setTimeout("hideLayer('aboutus')", 500);
if (currSection!="about") swapimg('navaboutus','nav_'+currSection+'_2.gif');
break;
case "community":
menuTimeout=window.setTimeout("hideLayer('community')", 500);
if (currSection!="comm") swapimg('navcommunity','nav_'+currSection+'_3.gif');
break;
case "pressroom":
menuTimeout=window.setTimeout("hideLayer('pressroom')", 500);
if (currSection!="prrm") swapimg('navpressroom','nav_'+currSection+'_4.gif');
break;
case "basics":
menuTimeout=window.setTimeout("hideLayer('basics')", 500);
if (currSection!="basc") swapimg('navbasics','nav_'+currSection+'_5.gif');
break;
case "resources":
menuTimeout=window.setTimeout("hideLayer('resources')", 500);
if (currSection!="resc") swapimg('navresources','nav_'+currSection+'_6.gif');
break;
}
}
}
