nhome_up = new Image();
nhome_up.src = "images/nav_home_out.gif";
nhome_over = new Image();
nhome_over.src = "images/nav_home_over.gif";

ncompany_up = new Image();
ncompany_up.src = "images/nav_company_out.gif";
ncompany_over = new Image();
ncompany_over.src = "images/nav_company_over.gif";

npeople_up = new Image();
npeople_up.src = "images/nav_people_out.gif";
npeople_over = new Image();
npeople_over.src = "images/nav_people_over.gif";

ndifference_up = new Image();
ndifference_up.src = "images/nav_difference_out.gif";
ndifference_over = new Image();
ndifference_over.src = "images/nav_difference_over.gif";

nservices_up = new Image();
nservices_up.src = "images/nav_services_out.gif";
nservices_over = new Image();
nservices_over.src = "images/nav_services_over.gif";

nprojects_up = new Image();
nprojects_up.src = "images/nav_projects_out.gif";
nprojects_over = new Image();
nprojects_over.src = "images/nav_projects_over.gif";

nqs_up = new Image();
nqs_up.src = "images/nav_qs_out.gif";
nqs_over = new Image();
nqs_over.src = "images/nav_qs_over.gif";

ncontact_up = new Image();
ncontact_up.src = "images/nav_contact_out.gif";
ncontact_over = new Image();
ncontact_over.src = "images/nav_contact_over.gif";


function switch_img(img,imgloc,state){
	switch (state){
		case "over":	
			switch(imgloc){
				case "nhome":
					img.src = nhome_over.src;
					break;
				case "ncompany":
					img.src = ncompany_over.src;
					break;
				case "npeople":
					img.src = npeople_over.src;
					break;
				case "ndifference":
					img.src = ndifference_over.src;
					break;
				case "nservices":
					img.src = nservices_over.src;
					break;
				case "nprojects":
					img.src = nprojects_over.src;
					break;
				case "nqs":
					img.src = nqs_over.src;
					break;
				case "ncontact":
					img.src = ncontact_over.src;
					break;
					}
			break;
		case "out":
			switch(imgloc){
				case "nhome":
					img.src = nhome_up.src;
					break;
				case "ncompany":
					img.src = ncompany_up.src;
					break;
				case "npeople":
					img.src = npeople_up.src;
					break;
				case "ndifference":
					img.src = ndifference_up.src;
					break;
				case "nservices":
					img.src = nservices_up.src;
					break;
				case "nprojects":
					img.src = nprojects_up.src;
					break;
				case "nqs":
					img.src = nqs_up.src;
					break;
				case "ncontact":
					img.src = ncontact_up.src;
					break;
				}
			break;
		
	}
	
	
}