// BROWSER SELECTION
var OSName="Unknown OS";
if (navigator.appVersion.indexOf("Win")!=-1) OSName="Windows";
if (navigator.appVersion.indexOf("Mac")!=-1) OSName="MacOS";
if (navigator.appVersion.indexOf("X11")!=-1) OSName="UNIX";
if (navigator.appVersion.indexOf("Linux")!=-1) OSName="Linux";

function isDefined(property)
{
return (typeof property != 'undefined');
}

function IEFlashFix()
{
elems=document.getElementsByTagName("noscript");

for(var i=0;i<elems.length;i++)
{
elem	= elems[i];
if(elem.className=="clickfix") 
{
elem.outerHTML = elem.innerHTML; 
}
}
}

// Targets
function externalLinks()
{

if (!document.getElementsByTagName)
return;

var anchors = document.getElementsByTagName("a");

for (var i=0; i<anchors.length; i++)
{ 
var anchor = anchors[i];

if (anchor.getAttribute("href") && anchor.getAttribute("rel") == "external") 
{
anchor.target = "_blank"; 
}

}

}

// DROP DOWN CONTROL
function sfHover()
{
	
if ((document.all) && (OSName == "Windows"))
{
	
// top drop down
if (document.getElementById("topnav"))
{

var sfEls = document.getElementById("topnav").getElementsByTagName("LI");

for (var i=0; i<sfEls.length; i++)
{
sfEls[i].onmouseover=function() {
this.className+=" sfhover";
}

sfEls[i].onmouseout=function() {
this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
}

}
}

// bottom drop down
if (document.getElementById("botnav"))
{

var sfEls = document.getElementById("botnav").getElementsByTagName("LI");

for (var i=0; i<sfEls.length; i++)
{
sfEls[i].onmouseover=function() {
this.className+=" sfhover";
}

sfEls[i].onmouseout=function() {
this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
}

}

}

}

}

function ExtraStyle()
{

if ((document.all) && (document.styleSheets) && (document.styleSheets[0]) && (document.styleSheets[0].addRule))
{
document.styleSheets[0].addRule("#VirginLogo", "behavior: url(css/iepngfix.htc)");
}

}

function RunFunctions()
{
ExtraStyle();
externalLinks();
sfHover();
}

if (isDefined(window.addEventListener))
{
window.addEventListener('load', RunFunctions, false);
}
else if (isDefined(window.attachEvent))
{
window.attachEvent('onload', RunFunctions);
}