// JavaScript Document

function rollImage(imgName, sSrc)
{
	if(document.images){
		var objImg = eval(document.images[imgName])
		objImg.src = sSrc;
	}
}

function imageChange(data)
{
	document.images["pic"].src = imagefile[data];  
}

var isCurrent = null;

function colorChange(clicked)
{
	clicked.style.color="#003399";
	if(isCurrent) isCurrent.style.color="#666666";
	isCurrent = clicked;
}

// Preload images
var homeOn = new Image();
homeOn.src = "/marketing/grants_editorial/images/home_on.gif";
var homeOff = new Image();
homeOff.src = "/marketing/grants_editorial/images/home_off.gif";
var winnersOn = new Image();
winnersOn.src =  "/marketing/grants_editorial/images/winners_on.gif";
var winnersOff = new Image();
winnersOff.src = "/marketing/grants_editorial/images/winners_off.gif";
var judgesOn = new Image();
judgesOn.src =  "/marketing/grants_editorial/images/judges_on.gif";
var judgesOff = new Image();
judgesOff.src = "/marketing/grants_editorial/images/judges_off.gif";
var overviewOn = new Image();
overviewOn.src = "/marketing/grants_editorial/images/grantsapp_on.gif";
var overviewOff = new Image();
overviewOff.src ="/marketing/grants_editorial/images/grantsapp_off.gif" ;
var newsOn = new Image();
newsOn.src = "/marketing/grants_editorial/images/newsreleases_on.gif";
var newsOff = new Image();
newsOff.src = "/marketing/grants_editorial/images/newsreleases_off.gif";
var contributorsOn = new Image();
contributorsOn.src = "/marketing/grants_editorial/images/industrylinks_on.gif";
var contributorsOff = new Image();
contributorsOff.src = "/marketing/grants_editorial/images/industrylinks_off.gif";

function setCurrentPage(pageName){
	// Set the correct nav selection to ON and keep it ON
	switch (pageName)
	{
	case "home":
		homeOff.src = homeOn.src;
		document.images.imgHome.src = homeOn.src;
		document.images.imgWinners.src = winnersOff.src;
		document.images.imgJudges.src = judgesOff.src;
		document.images.imgOverview.src = overviewOff.src;
		document.images.imgNews.src = newsOff.src;
		document.images.imgContributors.src = contributorsOff.src;
		break;
	case "winners":
		winnersOff.src = winnersOn.src;
		document.images.imgHome.src = homeOff.src;
		document.images.imgWinners.src = winnersOn.src;
		document.images.imgJudges.src = judgesOff.src;
		document.images.imgOverview.src = overviewOff.src;
		document.images.imgNews.src = newsOff.src;
		document.images.imgContributors.src = contributorsOff.src;
		break;
	case "judges":
		judgesOff.src = judgesOn.src;
		document.images.imgHome.src = homeOff.src;
		document.images.imgWinners.src = winnersOff.src;
		document.images.imgJudges.src = judgesOn.src;
		document.images.imgOverview.src = overviewOff.src;
		document.images.imgNews.src = newsOff.src;
		document.images.imgContributors.src = contributorsOff.src;
		break;
	case "overview":
		overviewOff.src = overviewOn.src;
		document.images.imgHome.src = homeOff.src;
		document.images.imgWinners.src = winnersOff.src;
		document.images.imgJudges.src = judgesOff.src;
		document.images.imgOverview.src = overviewOn.src;
		document.images.imgNews.src = newsOff.src;
		document.images.imgContributors.src = contributorsOff.src;
		break;
	case "news":
		newsOff.src = newsOn.src;
		document.images.imgHome.src = homeOff.src;
		document.images.imgWinners.src = winnersOff.src;
		document.images.imgJudges.src = judgesOff.src;
		document.images.imgOverview.src = overviewOff.src;
		document.images.imgNews.src = newsOn.src;
		document.images.imgContributors.src = contributorsOff.src;
		break;
	case "contributors":
		contributorsOff.src = contributorsOn.src;
		document.images.imgHome.src = homeOff.src;
		document.images.imgWinners.src = winnersOff.src;
		document.images.imgJudges.src = judgesOff.src;
		document.images.imgOverview.src = overviewOff.src;
		document.images.imgNews.src = newsOff.src;
		document.images.imgContributors.src = contributorsOn.src;
		break;
	default:
		document.images.imgHome.src = homeOff.src;
		document.images.imgWinners.src = winnersOff.src;
		document.images.imgJudges.src = judgesOff.src;
		document.images.imgOverview.src = overviewOff.src;
		document.images.imgNews.src = newsOff.src;
		document.images.imgContributors.src = contributorsOff.src;
		break;
	}
}