//
// home.js
//

// -------------------------------------------------------------
// cross-browser helper functions
// -------------------------------------------------------------

// Global variables
var isCSS 			= false;
var isW3C 			= false;
var isIE4 			= false;
var isNN4 			= false;
var isIE6 			= false;
var isGecko 		= false;
var isOpera 		= false;
var isDHTML 		= false;
var suppressMenus	= false;
var legacyMode		= false;
var timerID			= null;
var subtimerID		= null;

// initialize upon load to let all browsers establish content objects
function autoconfig()
{
    if(document && document.images)
    {
        isCSS		= (document.body && document.body.style) ? true : false;
        isW3C		= (isCSS && document.getElementById) ? true : false;
        isIE4		= (isCSS && document.all && readIEVer() >= 4.0) ? true : false;
        isNN4		= (document.layers) ? true : false;
        isGecko		= (isCSS && navigator && navigator.product && navigator.product == "Gecko");
        isOpera		= (isCSS && navigator.userAgent.indexOf( "Opera") != -1 );
		isIE6CSS	= (document.compatMode && document.compatMode.indexOf("CSS1") >= 0) ? true : false;
		isIE6		= ( isIE6CSS && readIEVer() >= 6.0 );
        isDHTML		= isCSS && ( isIE4 || isGecko || isOpera );
        
        if( suppressMenus || ( isOpera && readOperaVer() < 7 ) || ( isGecko && navigator.productSub <= 20011022 ) || ( isGecko && navigator.productSub == 20030107 ) )
        {
			// Opera 6.x doesn't seem to like the DHTML...
			// Netscape 6.2 puts the menus in the wrong place...
			// Safari, the menus don't go away... problem in ResetMenu
			isDHTML	= false;
        }
        
    }
    
    
}


function readIEVer()
{
	var agent	= navigator.userAgent;
	var offset	= agent.indexOf( "MSIE" );
	if( offset < 0 )
	{
		return 0;
	}
	return parseFloat( agent.substring( offset + 5, agent.indexOf( ";", offset ) ) );
}

function readOperaVer()
{
	var agent	= navigator.userAgent;
	var offset	= agent.indexOf( "Opera" );
	if( offset < 0 )
	{
		return 0;
	}
	return parseFloat( agent.substring( offset + 6 ) );
}

// -------------------------------------------------------------
// client-side masthead
// -------------------------------------------------------------

var m_pnlinks;
var m_crumbs;
var m_mhFixed		= false;
var m_isHome		= false;
var m_isSegHome		= false;
var m_mda			= null;
var m_printLink		= null;
var m_emailLink		= false;
var m_production	= true;
var m_menudef		= "/content/public/menu.aspx";

function mhFixupLink( href, extra )
{
	if( typeof(extra) == "undefined" )
	{
		extra = "&~ck=mn";
	}
	
	if( href )
	{
		var anchor		= null;
		var anchorix	= href.indexOf( "#" );
		
		if( anchorix != -1 )
		{
			anchor		= href.substr( anchorix );
			href		= href.substr( 0, anchorix );
		}
		
		if( href.indexOf( "?" ) == -1 )
		{
			extra = "?" + extra.substr( 1 );
		}

		if( href.toLowerCase().indexOf( "javascript:" ) == -1 )
		{
			href += extra;
		}
		else
		{
			start = href.indexOf( "?" );
			
			if( start != -1 )
			{
				ix = href.indexOf( "\'", start );
				
				if( ix == -1 )
				{
					ix = href.indexOf( "\\", start );

					if( ix == -1 )
					{
						ix = href.indexOf( "\"", start );
					}
				}
				
				if( ix != -1 )
				{
					href = href.substr( 0, ix ) + extra + href.substr( ix );
				}
			}
		}
		
		if( anchor )
		{
			href += anchor;
		}
	}
	
	return href;
}

function menuItem( text, href )
{
	this.Text			= text;
	this.Href			= mhFixupLink( href, "&~ck=mn" );
	this.IsSeparator	= false;
	this.IsCaption		= false;
	this.MenuItems		= null;
}

function writeMH( phoneTitle, phoneMsg, phoneTariff, segmentTitle, hasLocale, logoLink, pnmsg )
{
	autoconfig();

	if( !m_production && typeof(m_menuBar) == "undefined" )
	{
		document.write( "<div class=\"para\" style=\"color:red; font-weight:bold\">There is a problem with the menu definition. " );
		document.write( "<a href=\"" + m_menudef + "\">Click here to view</a></div>" );
		
		return;
	}
	
	m_mhFixed	= true;

	document.writeln( "<a name=\"mastheadtop\"></a>" );
	
	
	
	// phone strip
	
	
	

	
	
	// mda
	if( m_mda )
	{
		document.writeln( "<tr><td bgcolor=\"#e1e1e1\"><table cellspacing=\"0\" cellpadding=\"0\" border=\"0\" width=\"728\">");
		document.write( "<tr><td bgcolor=\"#f5f5f5\" valign=\"middle\" height=\"28\" style=\"font-size:10pt;font-weight:bold\" style=\"padding-bottom:0px; padding-top:3px; padding-right:10px\">&nbsp;&nbsp;&nbsp;" + m_mda + "</td>" );
		document.writeln( "<tr><td bgcolor=\"#999999\"><img src=\"" +  "/images/global/general/spacer.gif\" alt=\"\" border=\"0\"  height=\"1\" /></td></tr>" );
		document.writeln( "</table></td></tr>" );
	}
		
	document.write( "</table>" );
}



// -------------------------------------------------------------
// end of home.js
// -------------------------------------------------------------