function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;

function preloadImages() {
	if (document.images) {
		 
		 home = newImage("images/nav_home_on.gif");
		 what = newImage("images/nav_what_on.gif");
		 who = newImage("images/nav_who_on.gif");
		 tesetimonials = newImage("images/nav_testimonials_on.gif");
		 forr = newImage("images/nav_for_on.gif");
		 contact = newImage("images/nav_contact_on.gif");
		 preloadFlag = true;
		 
		 
		 
	}
}

//preload images first
img1=new Image()
img1.src="../images/nav_home.gif"
img2=new Image()
img2.src=""
img3=new Image()
img3.src=""
img4=new Image()
img4.src=""
img5=new Image()
img5.src=""
img6=new Image()
img6.src=""
img7=new Image()
img7.src=""
img8=new Image()
img8.src=""
img9=new Image()
img9.src=""
img10=new Image()
img10.src=""
img11=new Image()
img11.src=""
img12=new Image()
img12.src=""
img13=new Image()
img13.src=""
img14=new Image()
img14.src="../images/ghost.gif"