function removeFocus() {
	for (i=0; i<document.links.length; i++) {
		document.links[i].onFocus = function() {
			if (this.blur) {
				this.blur();
			}
		};
	}
}
function imageSwap(imageName, imageFile) {
	eval('document.'+imageName+'.src = \"'+imageFile+'\"');
}
function showElem(id) {
		document.getElementById(id).style.visibility = "visible";
		document.getElementById(id).style.display = "block";
}
function hideElem(id) {
	document.getElementById(id).style.visibility = "hidden";
	document.getElementById(id).style.display = "none";
}
// NAV TABS
function tab1over(){
	document.getElementById('nav_tabs-info').style.backgroundColor = "#C2CDDE";
	document.progover.src='images/sec_nav/progover_over.gif';
	document.borderleft.src='images/sec_nav/borderleft_a.gif';
	document.essenserv.src='images/sec_nav/essenserv_up.gif';
	document.borderright.src='images/sec_nav/borderright_a.gif';
	document.attr.src='images/sec_nav/attr_up.gif';
	document.getElementById('one').style.visibility = "visible";
	document.getElementById('one').style.display = "block";
	document.getElementById('two').style.visibility = "hidden";
	document.getElementById('two').style.display = "none";
	document.getElementById('three').style.visibility = "hidden";
	document.getElementById('three').style.display = "none";
	document.getElementById('default').style.visibility = "hidden";
	document.getElementById('default').style.display = "none";
}
function tab2over(){
	document.getElementById('nav_tabs-info').style.backgroundColor = "#C2CDDE";
	document.progover.src='images/sec_nav/progover_up.gif';
	document.borderleft.src='images/sec_nav/borderleft_b.gif';
	document.essenserv.src='images/sec_nav/essenserv_over.gif';
	document.borderright.src='images/sec_nav/borderright_b.gif';
	document.attr.src='images/sec_nav/attr_up.gif';
	document.getElementById('one').style.visibility = "hidden";
	document.getElementById('one').style.display = "none";
	document.getElementById('two').style.visibility = "visible";
	document.getElementById('two').style.display = "block";
	document.getElementById('three').style.visibility = "hidden";
	document.getElementById('three').style.display = "none";
	document.getElementById('default').style.visibility = "hidden";
	document.getElementById('default').style.display = "none";
}
function tab3over(){
	document.getElementById('nav_tabs-info').style.backgroundColor = "#C2CDDE";
	document.progover.src='images/sec_nav/progover_up.gif';
	document.borderleft.src='images/sec_nav/borderleft_c.gif';
	document.essenserv.src='images/sec_nav/essenserv_up.gif';
	document.borderright.src='images/sec_nav/borderright_c.gif';
	document.attr.src='images/sec_nav/attr_over.gif';
	document.getElementById('one').style.visibility = "hidden";
	document.getElementById('one').style.display = "none";
	document.getElementById('two').style.visibility = "hidden";
	document.getElementById('two').style.display = "none";
	document.getElementById('three').style.visibility = "visible";
	document.getElementById('three').style.display = "block";
	document.getElementById('default').style.visibility = "hidden";
	document.getElementById('default').style.display = "none";
}
function defaultover(){
if (document.getElementById('default').style.visibility != "hidden"){
		return;
	} else {
		document.getElementById('nav_tabs-info').style.backgroundColor = "transparent";
		document.progover.src='images/sec_nav/progover_up.gif';
		document.borderleft.src='images/sec_nav/borderleft_c.gif';
		document.essenserv.src='images/sec_nav/essenserv_up.gif';
		document.borderright.src='images/sec_nav/borderright_a.gif';
		document.attr.src='images/sec_nav/attr_up.gif';
		document.getElementById('one').style.visibility = "hidden";
		document.getElementById('one').style.display = "none";
		document.getElementById('two').style.visibility = "hidden";
		document.getElementById('two').style.display = "none";
		document.getElementById('three').style.visibility = "hidden";
		document.getElementById('three').style.display = "hidden";
		document.getElementById('default').style.visibility = "visible";
		document.getElementById('default').style.display = "block";
	}
}
//list_nav items
function item1over(){
	document.getElementById('item1').style.visibility = "visible";
	document.getElementById('item1').style.display = "block";
	document.getElementById('item2').style.visibility = "hidden";
	document.getElementById('item2').style.display = "none";
	document.getElementById('item3').style.visibility = "hidden";
	document.getElementById('item3').style.display = "none";
	document.getElementById('item4').style.visibility = "hidden";
	document.getElementById('item4').style.display = "none";
	document.getElementById('item5').style.visibility = "hidden";
	document.getElementById('item5').style.display = "none";
}
function item2over(){
	document.getElementById('item2').style.visibility = "visible";
	document.getElementById('item2').style.display = "block";
	document.getElementById('item1').style.visibility = "hidden";
	document.getElementById('item1').style.display = "none";
	document.getElementById('item3').style.visibility = "hidden";
	document.getElementById('item3').style.display = "none";
	document.getElementById('item4').style.visibility = "hidden";
	document.getElementById('item4').style.display = "none";
	document.getElementById('item5').style.visibility = "hidden";
	document.getElementById('item5').style.display = "none";
}
function item3over(){
	document.getElementById('item3').style.visibility = "visible";
	document.getElementById('item3').style.display = "block";
	document.getElementById('item1').style.visibility = "hidden";
	document.getElementById('item1').style.display = "none";
	document.getElementById('item2').style.visibility = "hidden";
	document.getElementById('item2').style.display = "none";
	document.getElementById('item4').style.visibility = "hidden";
	document.getElementById('item4').style.display = "none";
	document.getElementById('item5').style.visibility = "hidden";
	document.getElementById('item5').style.display = "none";
}
function item4over(){
	document.getElementById('item4').style.visibility = "visible";
	document.getElementById('item4').style.display = "block";
	document.getElementById('item1').style.visibility = "hidden";
	document.getElementById('item1').style.display = "none";
	document.getElementById('item2').style.visibility = "hidden";
	document.getElementById('item2').style.display = "none";
	document.getElementById('item3').style.visibility = "hidden";
	document.getElementById('item3').style.display = "none";
	document.getElementById('item5').style.visibility = "hidden";
	document.getElementById('item5').style.display = "none";
}
function item5over(){
	document.getElementById('item5').style.visibility = "visible";
	document.getElementById('item5').style.display = "block";
	document.getElementById('item1').style.visibility = "hidden";
	document.getElementById('item1').style.display = "none";
	document.getElementById('item2').style.visibility = "hidden";
	document.getElementById('item2').style.display = "none";
	document.getElementById('item3').style.visibility = "hidden";
	document.getElementById('item3').style.display = "none";
	document.getElementById('item4').style.visibility = "hidden";
	document.getElementById('item4').style.display = "none";
}

// === SLEIGHT.JS CODE (Copyright© YoungPup) WITH MODIFIED CSS-INLINE IMAGE SUPPORT ========================
if (navigator.platform == "Win32" && navigator.appName == "Microsoft Internet Explorer" && window.attachEvent) {
        document.writeln('<style type="text/css">img { visibility:hidden; } </style>');
        window.attachEvent("onload", fnLoadPngs);
}

function fnLoadPngs() {
        var rslt = navigator.appVersion.match(/MSIE (\d+\.\d+)/, '');
        var itsAllGood = (rslt != null && Number(rslt[1]) >= 5.5);

        for (var i = document.images.length - 1, img = null; (img = document.images[i]); i--) {
                if (itsAllGood && img.src.match(/\.png$/i) != null) {
                        var src = img.src;
                        img.style.width = img.width + "px";
                        img.style.height = img.height + "px";
                        img.style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='" + src + "', sizingMethod='scale')"
                        img.src = "images/spacer.gif";
                }
                img.style.visibility = "visible";
        }
}

function imagePreload() {
	var image = new Array();
	image[0] = "images/tellus_over.gif";
	image[1] = "images/sec_nav/attr_over.gif";
	image[2] = "images/sec_nav/essenserv_over.gif";
	image[3] = "images/sec_nav/progover_over.gif";
	image[4] = "images/feedback-apply_buttons/apply_button-over.gif";
	image[5] = "images/feedback-apply_buttons/apply_button-down.gif";
	image[6] = "images/feedback-apply_buttons/feedback_button-over.gif";
	image[7] = "images/feedback-apply_buttons/feedback_button-down.gif";
	image[8] = "images/nav_box/attr-over.gif";
	image[9] = "images/nav_box/essen_serv-over.gif";
	image[10] = "images/nav_box/prog_over-over.gif";
	imageLoop(image);
}
function imageLoop(imageArray) {
	for (var i = 0; i<imageArray.length; i++) {
		var imageNew = new Image();
		imageNew.src = imageArray[i];
	}
}
imagePreload();