function swapImage(objname, e){
	if(e)
		objname.src="images/nav/hover/" + objname.name + ".jpg";
	else
		objname.src="images/nav/" + objname.name + ".jpg";
}

function swapLangImage(objname, e){
	if(e)
		objname.src="images/" + objname.name + "_selected.gif";
	else
		objname.src="images/" + objname.name + ".gif";
}

function preloadNavImages(){
	nav_image1 = new Image(); 
	nav_image1.src = "images/nav/hover/about.jpg";
	
	nav_image2 = new Image(); 
	nav_image2.src = "images/nav/hover/careers.jpg";
	
	nav_image3 = new Image(); 
	nav_image3.src = "images/nav/hover/services.jpg";
	
	nav_image4 = new Image(); 
	nav_image4.src = "images/nav/hover/thought_leadership.jpg";
	
	nav_image5 = new Image(); 
	nav_image5.src = "images/nav/hover/services.jpg";
	
	nav_image6 = new Image(); 
	nav_image6.src = "images/nav/hover/partners.jpg";
	
	nav_image7 = new Image(); 
	nav_image7.src = "images/nav/hover/contact.jpg";
	
	nav_image8 = new Image(); 
	nav_image8.src = "images/nav/hover/home.jpg";
	
	nav_image9 = new Image(); 
	nav_image9.src = "images/en.gif";
	
	nav_image10 = new Image(); 
	nav_image10.src = "images/en_selected.gif";
	
	nav_image11 = new Image(); 
	nav_image11.src = "images/ar.gif";
	
	nav_image12 = new Image(); 
	nav_image12.src = "images/ar_selected.gif";
}