// JavaScript Document

var imageDir = "images/";
	
	 // preload navbar images
	 services_on = new Image();
	 services_on.src = imageDir + "services_over.gif";
	 services_off = new Image();
	 services_off.src = imageDir + "services.gif";
	  
	 reasons_on = new Image();
	 reasons_on.src = imageDir + "reasons_over.gif";
	 reasons_off = new Image();
	 reasons_off.src = imageDir + "reasons.gif";
	  
	 contact_on = new Image();
	 contact_on.src = imageDir + "contact_over.gif";
	 contact_off = new Image();
	 contact_off.src = imageDir + "contact.gif";
	 
	 function topMenuSwap(image, state) {
		var thisImage = document.getElementById(image);
		thisImage.src = eval(image + "_" + state + ".src");
		return;
	 }