/* Created: PMunoz 2008
	Navigation hover routines for the AMA Seminar Series
 */
/* Browser Information */
var csAppName = String(navigator.appName);
var csAppVer = String(navigator.appVersion);
var csPlatform = String(navigator.platform);
var csUserAgent = String(navigator.userAgent);
var csVendor = String(navigator.vendor);
var csProduct = String(navigator.product);

//alert("csAppName = "+csAppName+"\n csAppVer = "+csAppVer+"\n csPlatform = "+csPlatform+"\n csUserAgent = "+csUserAgent+"\n csVendor = "+csVendor+"\n csProduct = "+csProduct);
//
// Nav variables
var atlanta = 'atlanta';
var chicago = 'chicago';
var new_york = 'new_york';
var sanfrancisco = 'sanfrancisco';
var washington = 'washington';
var contact_us = 'contact_us';
var defaultTab = null;
var currentTab = null;

function nav_hover (nav_item)  {
	nav_hover_clear();
	var add_padding = 30;
	switch (nav_item) {
		case atlanta:
			var width = $('#atlanta_li').width();
			var label = 'ATLANTA';
			break;
		case chicago:
			var width = $('#chicago_li').width();
			var label = 'CHICAGO';
			break;
		case new_york:
			var width = $('#new_york_li').width();
			var label = 'NEW YORK';
			break;
		case sanfrancisco:
			var width = $('#sanfrancisco_li').width();
			var label = 'SAN FRANCISCO';
			break;
		case washington:
			var width = $('#washington_li').width();
			var label = 'WASHINGTON DC';
			break;
		case contact_us:
			var width = $('#contact_us_li').width();
			var add_padding = add_padding + 694;
			var label = 'CONTACT US';
			break;
	}
	if(nav_item){
		var h_box = document.getElementById('hover_box').style;
		var h_box_middle = document.getElementById('hover_box_middle');
		h_box_middle.innerHTML = label;
		h_box.visibility = 'visible';
		h_box_middle.style.width = width+"px";
		var left = document.getElementById(nav_item+'_li').offsetLeft + add_padding;
		h_box.left = left+"px";
		h_box.display = 'block';
		document.getElementById(nav_item+'_sub_nav').style.display = "block";
	}
	//Right Direction ---- Not Sure
	//$('#'+nav_item+'_sub_nav').mouseover(function(){nav_hover(nav_item)});
	//$('#hover_box').mouseover(function(){nav_hover(nav_item)});
	
	//alert(' left = '+left+"\n width = "+width);
	//alert('document.getElementById().offsetLeft = '+document.getElementById(nav_item+'_li').offsetLeft +"\n left = "+left);	
}
function SetNavigation() {
	//alert($("#navigation_selected").attr("title"));
	nav_hover ($("#navigation_selected").attr("title"))
}
function nav_hover_clear(){
	
}
function nav_hover_clear_old(skipDefault) {
	document.getElementById('hover_box').style.display = 'none';
	document.getElementById('hover_box').style.visibility = 'hidden';
	document.getElementById(atlanta+'_sub_nav').style.display = "none";
	document.getElementById(chicago+'_sub_nav').style.display = "none";
	document.getElementById(new_york+'_sub_nav').style.display = "none";
	document.getElementById(sanfrancisco+'_sub_nav').style.display = "none";
	document.getElementById(washington+'_sub_nav').style.display = "none";
	document.getElementById(contact_us+'_sub_nav').style.display = "none";
	if(skipDefault){
		
	}else{
		SetNavigation();	
	}
}