var prev_sublink = "";
var curr_sublink = "";

var prev_tabID = "";
var curr_tabID = "";
var curr_checkedtabID = "";

function focusTab(tabTitle)
{
	//alert("focus tab is called");
	prev_sublink = curr_sublink;
	curr_sublink = tabTitle;
	
	if(prev_sublink.length != 0)
	{
		var $prev = $("#mainHeader .navigation ul li ul#subMenu").find("li:contains("+ prev_sublink +")");

		$prev.parent().find('li a:contains('+ prev_sublink +')').attr('class','');
		$prev.parent().parent().children().attr('class','');
		$prev.parent().attr('class','hidden');
	}
	
	var $curr = $("#mainHeader .navigation ul li ul#subMenu").find("li:contains("+ curr_sublink +")");

	$curr.parent().find('li a:contains('+ curr_sublink +')').attr('class','current');
	$curr.parent().parent().children().attr('class','current');
	$curr.parent().attr('class','visible');
	
	var tabID = $curr.parent().parent().attr('id');
	curr_checkedtabID = tabID;
	curr_tabID = curr_checkedtabID;
}

function init_topNavigation()
{
	//alert("init tab is called");
	$("#mainHeader .navigation ul li ul#subMenu li").click( function(){
		var name = $(this).text();
		focusTab(name);
	});
	
	
	$("#mainHeader .navigation ul li").mouseenter(function() {
		
		if(curr_checkedtabID.length != 0)
		{
			var tabID = $(this).attr('id');
			
			if(curr_tabID != tabID)
			{
				prev_tabID = curr_tabID;
				curr_tabID = tabID;
				
				$("#mainHeader .navigation ul li#" + prev_tabID + " ul#subMenu").attr('class','hidden');
			}
			
			
		}
	
	  }).mouseleave(function() {
		  
			
	  });
	
	$("#mainHeader .navigation").mouseenter(function() {

	  }).mouseleave(function() {
		  
			if(curr_checkedtabID.length != 0)
			{
					$("#mainHeader .navigation ul li#" + curr_checkedtabID + " ul#subMenu").attr('class','visible');
					curr_tabID = curr_checkedtabID;
			}
	  });
	
	

}