/***********************************************
* Dynamic Ajax Content- © Dynamic Drive DHTML code library (www.dynamicdrive.com)
* This notice MUST stay intact for legal use
* Visit Dynamic Drive at http://www.dynamicdrive.com/ for full source code
***********************************************/

var bustcachevar=1 //bust potential caching of external pages after initial request? (1=yes, 0=no)
var loadedobjects=""
var rootdomain="http://"+window.location.hostname
var bustcacheparameter=""

function changeHeight(){
var ht = document.getElementById("productInfo").offsetHeight
if (ht > 538) {
	document.getElementById("Content").style.height = ht + 20 + 'px';
}
}

function ajaxpage(url, containerid){
var page_request = false
if (window.XMLHttpRequest) // if Mozilla, Safari etc
page_request = new XMLHttpRequest()
else if (window.ActiveXObject){ // if IE
try {
page_request = new ActiveXObject("Msxml2.XMLHTTP")
}
catch (e){
try{
page_request = new ActiveXObject("Microsoft.XMLHTTP")
}
catch (e){}
}
}
else
return false
page_request.onreadystatechange=function(){
loadpage(page_request, containerid)
}
if (bustcachevar) //if bust caching of external page
bustcacheparameter=(url.indexOf("?")!=-1)? "&"+new Date().getTime() : "?"+new Date().getTime()
page_request.open('GET', url+bustcacheparameter, true)
page_request.send(null)
}

function loadpage(page_request, containerid){
if (page_request.readyState == 4 && (page_request.status==200 || window.location.href.indexOf("http")==-1))
document.getElementById(containerid).innerHTML=page_request.responseText
}

function loadobjs(){
if (!document.getElementById)
return
for (i=0; i<arguments.length; i++){
var file=arguments[i]
var fileref=""
if (loadedobjects.indexOf(file)==-1){ //Check to see if this object has not already been added to page before proceeding
if (file.indexOf(".js")!=-1){ //If object is a js file
fileref=document.createElement('script')
fileref.setAttribute("type","text/javascript");
fileref.setAttribute("src", file);
}
else if (file.indexOf(".css")!=-1){ //If object is a css file
fileref=document.createElement("link")
fileref.setAttribute("rel", "stylesheet");
fileref.setAttribute("type", "text/css");
fileref.setAttribute("href", file);
}
}
if (fileref!=""){
document.getElementsByTagName("head").item(0).appendChild(fileref)
loadedobjects+=file+" " //Remember this object as being already added to page
}
}
}

var objNavMenu = null;
var prevObjNavMenu = null;
var prevObjDropMenu = null;
var numDropMenu = 5;

//link styles
var bgLinkColor = ''
var bgLinkHover = ''
var bgLinkActive = ''
var linkColor = '#ffffff'
var linkHover = '#E9FA97'
var linkActive = '#E9FA97'

var isIE = null;
if (navigator.appName.indexOf('Microsoft Internet Explorer') != -1) isIE=1;

function initDropMenu () {
	ajaxpage('ProductNav.html', 'dropMenu2');
	ajaxpage('ArticleNav.html', 'dropMenu3');
	ajaxpage('PressNav.html', 'dropMenu4');
	document.onclick = hideDropMenu;
	for (i=1; i<=numDropMenu; i++) {
		menuName = 'dropMenu' + i;
		navName = 'navMenu' + i;
		objDropMenu = document.getElementById(menuName);
		objNavMenu = document.getElementById(navName);
		objDropMenu.style.visibility = 'hidden';
		objNavMenu.onmouseover =  showDropMenu;
		objNavMenu.onmouseout = menuOut;
		objNavMenu.onclick = showDropMenu;
	}
	objNavMenu = null;
	return;
}
	
function menuOut (e) {
	document.onclick = hideDropMenu;
	outObjNavMenu = document.getElementById(this.id);
	if (outObjNavMenu != objNavMenu) {
		outObjNavMenu.style.color = linkColor;
		outObjNavMenu.style.backgroundColor = bgLinkColor;
	}
}
	
function showDropMenu(e) {
	menuName = 'drop' + this.id.substring(3,this.id.length);
	objDropMenu = document.getElementById(menuName);
	if (prevObjDropMenu == objDropMenu) {
			hideDropMenu();
		return;
	}
	if (prevObjDropMenu != null) hideDropMenu();
	objNavMenu = document.getElementById(this.id);
	if ((prevObjNavMenu != objNavMenu ) || (prevObjDropMenu == null)) {
		objNavMenu.style.color = linkActive;
		objNavMenu.style.backgroundColor = bgLinkActive;
	}
	if (objDropMenu) {
		xPos = objNavMenu.offsetParent.offsetLeft + objNavMenu.offsetLeft;
		yPos = objNavMenu.offsetParent.offsetTop + objNavMenu.offsetParent.offsetHeight;
		if(isIE) {
			yPos -= 1;
			xPos -= 6;
		}
		objDropMenu.style.left = xPos + 'px';
		objDropMenu.style.top = yPos + 'px';
		objDropMenu.style.visibility = 'visible';
		prevObjDropMenu = objDropMenu;
		prevObjNavMenu = objNavMenu;
	}
}

function hideDropMenu() {
	document.onclick = null;
	if(prevObjDropMenu) {
		prevObjDropMenu.style.visibility = 'hidden';
		prevObjDropMenu = null;
		prevObjNavMenu.style.color = linkColor;
		prevObjNavMenu.style.backgroundColor = bgLinkColor;
	}
	objNavMenu = null;
	

}