function opacity(id, opacStart, opacEnd, millisec) {
    //speed for each frame
    var speed = Math.round(millisec / 100);
    var timer = 0;

    //determine the direction for the blending, if start and end are the same nothing happens
    if(opacStart > opacEnd) {
        for(i = opacStart; i >= opacEnd; i--) {
            setTimeout("changeOpac(" + i + ",'" + id + "')",(timer * speed));
            timer++;
        }
    } else if(opacStart < opacEnd) {
        for(i = opacStart; i <= opacEnd; i++)
            {
            setTimeout("changeOpac(" + i + ",'" + id + "')",(timer * speed));
            timer++;
        }
    }
}

//change the opacity for different browsers
function changeOpac(opacity, id) {
    var object = document.getElementById(id).style;
    object.opacity = (opacity / 100);
    object.MozOpacity = (opacity / 100);
    object.KhtmlOpacity = (opacity / 100);
    object.filter = "alpha(opacity=" + opacity + ")";
} 

var counter=0;
function faded() {

	
//first time
	if (counter==0) {
	document.getElementById('banner1').style.zIndex = 91;
	document.getElementById('banner2').style.zIndex = 90;
	document.getElementById('banner3').style.zIndex = 90;
	document.getElementById('banner1_nav').style.zIndex = 91;
	document.getElementById('banner2_nav').style.zIndex = 90;
	document.getElementById('banner3_nav').style.zIndex = 90;
	opacity('banner1', 50, 100, 50);
	opacity('bannerX', 100, 0, 50);
	opacity('banner2', 1, 0, 0);
	opacity('banner3', 1, 0, 0);
	
	opacity('banner1_nav', 0, 100, 500);
	opacity('banner2_nav', 1, 0, 0);
	opacity('banner3_nav', 1, 0, 0);

	document.getElementById('bannerX').style.zIndex = 0;
	
	setTimeout("faded()",9000);
	counter=2;
	}

// same as first load but fades in
	else if (counter==1) {

	document.getElementById('banner1').style.zIndex = 91;
	document.getElementById('banner2').style.zIndex = 90;
	document.getElementById('banner3').style.zIndex = 90;

	document.getElementById('banner1_nav').style.zIndex = 91;
	document.getElementById('banner2_nav').style.zIndex = 90;
	document.getElementById('banner3_nav').style.zIndex = 90;
	
	opacity('banner1', 0, 100, 300);
	opacity('banner3', 100, 0, 300);

	opacity('banner1_nav', 0, 100, 300);
	opacity('banner3_nav', 100, 0, 300);

	setTimeout("faded()",9000);
	counter=2;
	}

	else if (counter==2) {

	document.getElementById('banner1').style.zIndex = 90;
	document.getElementById('banner2').style.zIndex = 91;
	document.getElementById('banner3').style.zIndex = 90;

	document.getElementById('banner1_nav').style.zIndex = 90;
	document.getElementById('banner2_nav').style.zIndex = 91;
	document.getElementById('banner3_nav').style.zIndex = 90;

	opacity('banner2', 0, 100, 300);
	opacity('banner1', 100, 0, 300);
	
	opacity('banner2_nav', 0, 100, 300);
	opacity('banner1_nav', 100, 0, 300);

	setTimeout("faded()",9000);
	counter=3;
	}

	else if (counter==3) {
	document.getElementById('banner1').style.zIndex = 90;
	document.getElementById('banner2').style.zIndex = 90;
	document.getElementById('banner3').style.zIndex = 91;

	document.getElementById('banner1_nav').style.zIndex = 90;
	document.getElementById('banner2_nav').style.zIndex = 90;
	document.getElementById('banner3_nav').style.zIndex = 91;

	opacity('banner3', 0, 100, 300);
	opacity('banner2', 100, 0, 300);
	
	opacity('banner3_nav', 0, 100, 300);
	opacity('banner2_nav', 100, 0, 300);

	setTimeout("faded()",9000);
	counter=1;
	}

	else {counter=1;}

}