/* ****************************************************************************
Header
Date: 					2007.11.29
Modified:				2009.07.21
**************************************************************************** */
function hideSNDropDown(dropDownLink, dropDownFly)
{	
	document.getElementById(dropDownLink).className	= 'segNavMainTab';
	if (document.getElementById(dropDownFly)!=null)
	{
		document.getElementById(dropDownFly).style.visibility = 'hidden';
	}
	if (segNavSelected != null && dropDownLink == segNavSelected)
	{
		document.getElementById(dropDownLink).className	= 'segNavMainTab segNavMainTabOn';
	}
}

	
function showSNDropDown(dropDownLink, dropDownFly)
{	
	document.getElementById(dropDownLink).className	= 'segNavMainTab segNavMainTabOver';
	if (document.getElementById(dropDownFly)!=null)
	{
		document.getElementById(dropDownFly).style.visibility = 'visible';
	}
}

function dropDownfocus(dropDownLink, dropDownFly)
{
	showSNDropDown(dropDownLink, dropDownFly);
	this.onblur = function () { document.getElementById(dropDownFly).focus(); }
	if((menu = document.getElementById(dropDownFly)))
		if((menu_item = menu.getElementsByTagName('a')))
			menu_item[menu_item.length-1].onblur= function () { hideSNDropDown(dropDownLink, dropDownFly); };
}