// JavaScript Document



if (document.images) {

image0a = new Image();

image0a.src = "images/nav/home_04.jpg";

image0b = new Image();

image0b.src = "images/nav/home_04.jpg";

image1a = new Image();

image1a.src = "images/nav/work_05.jpg";

image1b = new Image();

image1b.src = "images/nav/work_05.jpg";

image2a = new Image();

image2a.src = "images/nav/about_06.jpg";

image2b = new Image();

image2b.src = "images/nav/about_06.jpg";

image3a = new Image();

image3a.src = "images/nav/company_07.jpg";

image3b = new Image();

image3b.src = "images/nav/company_07.jpg";

image4a = new Image();

image4a.src = "images/nav/contact_08.jpg";

image4b = new Image();

image4b.src = "images/nav/contact_08.jpg";

} 



function newImage(arg) {

	if (document.images) {

		rslt = new Image();

		rslt.src = arg;

		return rslt;

	}

}



function changeImages() {

    if (document.images) {

        for (var i=0; i<changeImages.arguments.length; i+=2) {

            document[changeImages.arguments[i]].src = eval(changeImages.arguments[i+1] + ".src");

        }

    }

} 



var preloadFlag = false;

function preloadImages() {

	if (document.images) {

		NAV_04 = newImage("images/nav/home_04.jpg");

		NAV_05 = newImage("images/nav/work_05.jpg");

		NAV_06 = newImage("images/nav/about_06.jpg");

		NAV_07 = newImage("images/nav/company_07.jpg");

		NAV_08 = newImage("images/nav/contact_08.jpg");

		preloadFlag = true;

	}

}



sfHover = function() {

	var sfEls = document.getElementById("nav").getElementsByTagName("LI");

	for (var i=0; i<sfEls.length; i++) {

		sfEls[i].onmouseover=function() {

			this.className+=" sfhover";

		}

		sfEls[i].onmouseout=function() {

			this.className=this.className.replace(new RegExp(" sfhover\\b"), "");

		}

	}

}

if (window.attachEvent) window.attachEvent("onload", sfHover);