var blank = "images/blank.gif";
var sId = new Array();
var sImage = new Array();

var mId = ['news_header', 'shows_header', 'media_header', 'merch_header', 'info_header'];
var mImage = ['images/news_nav.gif', 'images/shows_nav.gif', 'images/media_nav.gif', 'images/merch_nav.gif', 'images/info_nav.gif'];
var mOver = ['images/news_nav_over.gif', 'images/shows_nav_over.gif', 'images/media_nav_over.gif', 'images/merch_nav_over.gif', 'images/info_nav_over.gif'];

sId[0] = new Array('whats_new', 'music_reviews', 'press_clips');
sId[1] = new Array('upcoming_shows', 'other_events', 'past_shows');
sId[2] = new Array('free_music', 'mug_shots', 'fresh_links');
sId[3] = new Array('get_music', 'get_tshirts', 'get_stickers');
sId[4] = new Array('contact_info', 'about_uglyography', 'steamy_attic_records');


sImage[0] = new Array('images/whats_new.gif', 'images/music_reviews.gif', 'images/press_clips.gif');
sImage[1] = new Array('images/upcoming_shows.gif', 'images/other_events.gif', 'images/past_shows.gif');
sImage[2] = new Array('images/free_music.gif', 'images/mug_shots.gif', 'images/fresh_links.gif');
sImage[3] = new Array('images/get_music.gif', 'images/get_tshirts.gif', 'images/get_stickers.gif');
sImage[4] = new Array('images/contact_info.gif', 'images/about_uglyography.gif', 'images/steamy_attic_records.gif');

function isSelected(mNum)
{
	var elementSrc = document.getElementById(mId[mNum]).src;
	var overSrc = mOver[mNum];
	
	elementSrc = elementSrc.substring(elementSrc.lastIndexOf('/', elementSrc.length - 1));
	overSrc = overSrc.substring(overSrc.lastIndexOf('/', overSrc.length - 1));
	
	//alert("elementSrc = " + elementSrc + "\n\noverSrc = " + overSrc);

	return (elementSrc == overSrc);
}

function testShow(mNum)
{
	if(!isSelected(mNum))
	{
	var i;
	
	//set selected main menu image to over image
	document.getElementById(mId[mNum]).src = mOver[mNum];
	document.getElementById(mId[mNum]).className = "cursor";
	
	//set other main menu images to regular image
	//hide submenus for all other menus (set image source = blank)
	//set submenus for all other menus to be named blank
	for(i = 0; i < mId.length; i++)
	{
		if(i != mNum)
		{
			document.getElementById(mId[i]).src = mImage[i];
			
			for(var j = 0; j < sId[i].length; j++)
			{
				document.getElementById(sId[i][j]).src = blank;
				document.getElementById(sId[i][j]).name = sId[i][j] + "_blank";
			}
		
		}
	}
	
	//set submenus for this menu to their images
	
	for(i = 0; i < sId[mNum].length; i++)
	{
		document.getElementById(sId[mNum][i]).src = sImage[mNum][i];
		document.getElementById(sId[mNum][i]).name = sId[mNum][i];
	}
	}
}

function linkTo(page)
{
	document.location.href = page;
}

function linkIf(id, page)
{
	if(document.getElementById(id).name == id)
		linkTo(page);
}

function cursorIf(id)
{
	if(document.getElementById(id).name == id)
		document.getElementById(id).className = 'cursor';
}