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");
		education_over           = newImage("/images/nav/education_over.gif");
		contactus_over            = newImage("/images/nav/contactus_over.gif");
		potential_over		= newImage("/images/potential_over.jpg");
		
		difference_over		= newImage("/images/left_nav/difference_over.gif");
		services_over			= newImage("/images/left_nav/services_over.gif");
		team_over         = newImage("/images/left_nav/team_over.gif");
		global_reach_over = newImage("/images/left_nav/global_reach_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 == "whatwedo") { document.whatwedo.src = "/images/left_nav/whatwedo_down.gif" }
	if (z == "team") { document.team.src = "/images/left_nav/team_down.gif" }
	if (z == "partners") { document.partners.src = "/images/left_nav/value_down.gif" }
	if (z == "testimonials") { document.testimonials.src = "/images/left_nav/testimonials_down.gif" }
	
	if (z == "difference") { document.difference.src = "/images/left_nav/difference_down.gif" }
	if (z == "team") { document.team.src = "/images/left_nav/team_down.gif" }
	if (z == "global_reach") { document.global_reach.src = "/images/left_nav/global_reach_down.gif" }
	if (z == "services") { document.services.src = "/images/left_nav/services_down.gif" }

}