//pre-load images to browser

 if (document.images) {
var logoOn = new Image();
logoOn.src = "img/logo_hover.gif";
var logoOff = new Image();
logoOff.src = "img/logo.gif";

var contactOn = new Image();
contactOn.src = "img/contact_hover.gif";
var contactOff = new Image();
contactOff.src = "img/contact.gif";

var navhomeOn = new Image();
navhomeOn.src = "img/nav_home_hover.gif";
var navhomeOff = new Image();
navhomeOff.src = "img/nav_home.gif";


var navexpOn = new Image();
navexpOn.src = "img/nav_experience_hover.gif";
var navexpOff = new Image();
navexpOff.src = "img/nav_experience.gif";


var navcontOn = new Image();
navcontOn.src = "img/nav_contact_hover.gif";
var navcontOff = new Image();
navcontOff.src = "img/nav_contact.gif";


var navservOn = new Image();
navservOn.src = "img/nav_services_hover.gif";
var navservOff = new Image();
navservOff.src = "img/nav_services.gif";


var navrecOn = new Image();
navrecOn.src = "img/nav_recruit_hover.gif";
var navrecOff = new Image();
navrecOff.src = "img/nav_recruit.gif";
}

/* rollover function */
function flipImages() {
  if (document.images) {
    for (var i=0; i<flipImages.arguments.length; i+=2) {
      document[flipImages.arguments[i]].src = eval(flipImages.arguments[i+1] + ".src");
    }
  }
}

function doBgOn(id){
	document.getElementById(id).style.backgroundColor="#B7C7D3";
}

function doBgOff(id){
	document.getElementById(id).style.backgroundColor="#A3B3BF";
}



//to stop stupid norton preventing debug	
window.onerror = "";