function jsNewImage(ps_src) {
	var oImg = new Image();
	oImg.src = ps_src;
	return oImg;
}

function jsPreloadImages() {
	if (document.images) {
		var oImg = null;

		
		oImg = jsNewImage('/navimages/contactus.gif');
		oImg = jsNewImage('/navimages/aboutus.gif');
		oImg = jsNewImage('/navimages/contactus_on.gif');
		oImg = jsNewImage('/navimages/events_on.gif');
		oImg = jsNewImage('/navimages/services.gif');
		oImg = jsNewImage('/navimages/aboutus_on.gif');
		oImg = jsNewImage('/navimages/homepage_on.gif');
		oImg = jsNewImage('/navimages/products_on.gif');
		oImg = jsNewImage('/navimages/_old');
		oImg = jsNewImage('/navimages/nav_template.psd');
		oImg = jsNewImage('/navimages/homepage.gif');
		oImg = jsNewImage('/navimages/products.gif');
		oImg = jsNewImage('/navimages/services_on.gif');
		oImg = jsNewImage('/navimages/events.gif');
	}

}



var go_next = null;
var go_last = null;
var gi_nextindex = 1;

var gi_delay = null;
var gi_level = 0;

function jsStart(pi_next) {

	window.clearInterval(gi_delay);
	
	go_last = go_next;
	go_next = document.getElementById('theme_' + pi_next);
	gi_nextindex = pi_next;

	if (go_next == null) {
		go_next = document.getElementById('theme_1');
		gi_nextindex = 1;
	}

	gi_level = 0;
	gi_delay = window.setInterval('jsFade()', 50);

}


function jsFade() {
	
	if (go_last != null) {
		go_last.style.opacity = 1 - (gi_level / 100);
		go_last.style.filter = 'progid:DXImagetransform.Microsoft.Alpha(opacity=' + (100 - gi_level) + ')';
	}
	
	if (go_next != null) {
		go_next.style.opacity = (gi_level / 100);
		go_next.style.filter = 'progid:DXImagetransform.Microsoft.Alpha(opacity=' + gi_level + ')';
	}


	if (gi_level == 100) {
		window.clearInterval(gi_delay);
		gi_delay = window.setInterval('jsStart(' + (gi_nextindex + 1) + ')', 20000);
	}

	gi_level += 10;

}