var PLATFORM_WINDOWS  = 0;
var PLATFORM_MACOSX   = 1;
 
var gPlatform = PLATFORM_MACOSX;
 
if (navigator.appVersion.indexOf("Win") != -1)
  gPlatform = PLATFORM_WINDOWS;

function downloadPDFKeyPro() {
	if(gPlatform == PLATFORM_WINDOWS)
		window.location.href = 'http://pdfkey.com/PDFKeyProSetup.exe';
	else
		window.location.href = 'http://pdfkey.com/PDFKeyPro.dmg';
}

function addLink(rel, href, type, media, title) {
	var headID = document.getElementsByTagName('head')[0];         
	var linkNode = document.createElement('link');
	linkNode.rel = rel;
	linkNode.href = href;
	linkNode.type = type;
	linkNode.media = media;
	linkNode.title = title;
	headID.appendChild(linkNode);
}

function setCurrentMenu(menuID) {
	var menu = document.getElementById(menuID);
	menu.className = 'selected';
}