var pwd = "";
var z = "";

function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (pwd != changeImages.arguments[0]) {
		if (document.images && (preloadFlag == true)) {
			for (var i=0; i<changeImages.arguments.length; i+=2) {
				document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
			}
		}
	}
}

function changeImagesLeft() {
	if (z != changeImagesLeft.arguments[0]) {
		if (document.images && (preloadFlag == true)) {
			for (var i=0; i<changeImagesLeft.arguments.length; i+=2) {
				document[changeImagesLeft.arguments[i]].src = changeImagesLeft.arguments[i+1];
			}
		}
	}
}

var preloadFlag = false;

function preloadImages() {
	if (document.images) {
		
		home_over 			= newImage("/images/nav/home_over.gif");
		market_over       = newImage("/images/nav/market_over.gif");
		future_over        = newImage("/images/nav/future_over.gif");
		accelerator_over      = newImage("/images/nav/accelerator_over.gif");
		plan_over         = newImage("/images/nav/plan_over.gif");
		success_over           = newImage("/images/nav/success_over.gif");
		about_over            = newImage("/images/nav/about_over.gif");
		news_over           = newImage("/images/nav/news_over.gif");
		contactus_over            = newImage("/images/nav/contactus_over.gif");
		potential_over		= newImage("/images/potential_over.jpg");
		recentsuccess_over           = newImage("/images/left_nav/recentsuccess_over.gif");
		recenttransactions_over           = newImage("/images/left_nav/recenttransactions_over.gif");
		recentvaluebuild_over           = newImage("/images/left_nav/recentvaluebuild_over.gif");
		casestudies_over      = newImage("/images/left_nav/casestudies_over.gif");
		transactions_over         = newImage("/images/left_nav/transactions_over.gif");
		valuebuild_over           = newImage("/images/left_nav/valuebuild_over.gif");
		dental_over		= newImage("/images/left_nav/dental_over.gif");
		itcompany_over      = newImage("/images/left_nav/itcompany_over.gif");
		disasterrecovery_over         = newImage("/images/left_nav/disasterrecovery_over.gif");
		defense_over           = newImage("/images/left_nav/defense_over.gif");
		
		preloadFlag = true;
	}
	
	var delim = "";
	var dirtest = document.location.pathname.split('/');
	var delim = dirtest.length > 2 ? '/' : '.';
	var directory = document.location.pathname.split(delim);
		if (dirtest.length == 3) {
		
		pwd = directory[directory.length-2]};
		
	if (dirtest.length == 4) {
	
		pwd = directory[directory.length-3]};
	
	if (pwd == "market")   { document.market.src   = "/images/nav/market_down.gif" }
	if (pwd == "future")    { document.future.src    = "/images/nav/future_down.gif"  }
	if (pwd == "accelerator")    { document.accelerator.src    = "/images/nav/accelerator_down.gif"  }
	if (pwd == "plan")    { document.plan.src    = "/images/nav/plan_down.gif"  }	
	if (pwd == "success")    { document.success.src    = "/images/nav/success_down.gif"  }
	if (pwd == "about")    { document.about.src    = "/images/nav/about_down.gif"  }	
	if (pwd == "news")    { document.news.src    = "/images/nav/news_down.gif"  }
	if (pwd == "contactus")    { document.contactus.src    = "/images/nav/contactus_down.gif"  }	
	
	var left = directory[directory.length-1];
	var x = left.length;
	var y = x - 4;
	z = left.substring(0, y);
	
	if (z == "index") { document.recentsuccess.src = "/images/left_nav/recentsuccess_down.gif" }
	if (z == "casestudies") { document.casestudies.src = "/images/left_nav/casestudies_down.gif" }
	if (z == "transactions") { document.transactions.src = "/images/left_nav/transactions_down.gif" } 
	if (z == "dental") { document.dental.src = "/images/left_nav/dental_down.gif" }
	if (z == "itcompany") { document.itcompany.src = "/images/left_nav/itcompany_down.gif" } 
	if (z == "disasterrecovery") { document.disasterrecovery.src = "/images/left_nav/disasterrecovery_down.gif" }
	if (z == "defense") { document.defense.src = "/images/left_nav/defense_down.gif" }
	if (z == "valuebuild") { document.valuebuild.src = "/images/left_nav/valuebuild_down.gif" }
}