// JavaScript Document	

var myImg = [  
	{idn:'about'}, 
	{idn:'news'}, 
	{idn:'companies'},
	{idn:'people'}, 
	{idn:'contact'}];

var imageObjA = new Object();

for (i = 0; i < myImg.length; i++) 
{
	imageObjA[myImg[i].idn + '_over'] = new Image();
	imageObjA[myImg[i].idn + '_over'].src = 'http://www.symphonytg.com/printable/images/nav/' + myImg[i].idn + '_over.gif';
	imageObjA[myImg[i].idn + '_off'] = new Image();
	imageObjA[myImg[i].idn + '_off'].src = 'http://www.symphonytg.com/printable/images/nav/' + myImg[i].idn + '_off.gif';
	imageObjA[myImg[i].idn + '_on'] = new Image();
	imageObjA[myImg[i].idn + '_on'].src = 'http://www.symphonytg.com/printable/images/nav/' + myImg[i].idn + '_on.gif';
}

function imageOff(imageObj) 
{ 
	imageObj.src = imageObjA[imageObj.id + '_off'].src;
}

function imageOver(imageObj) 
{ 
	imageObj.src = imageObjA[imageObj.id + '_over'].src;
}

function imageOn(imageObj) 
{ 
	imageObj.src = imageObjA[imageObj.id + '_on'].src;
}

function getPage()
{
	var mypath = new Array();
	var pageArray = new Array();
	var variables = new Array();
	var strHref = window.location.href;
	
	mypath = strHref.split('/');
	pageArray = mypath[4].split('=');
	
	variables = (pageArray.length == 1) ? 'home' : pageArray[1];
	pageArray = variables.split('&');
	
	return pageArray[0];
}

function setPageImageOn() 
{
	page = getPage(); 
	
	for (i = 0; i < myImg.length; i++) 
	{
		if (myImg[i].idn == page) 
		{
			document.getElementById(myImg[i].idn).src = imageObjA[myImg[i].idn + '_on'].src;
		}
	}
}