if (document.images) {
img1 = new Image();
img1.src = "http://www.mccallweddings.com/images/link1a.gif";
img2 = new Image();
img2.src = "http://www.mccallweddings.com/images/link2a.gif";
img3 = new Image();
img3.src = "http://www.mccallweddings.com/images/link3a.gif";
img4 = new Image();
img4.src = "http://www.mccallweddings.com/images/link4a.gif";
img5 = new Image();
img5.src = "http://www.mccallweddings.com/images/link5a.gif";
}

function linkOn(num)
{
document.images['link' + (num)].src = "http://www.mccallweddings.com/images/link"+(num)+"a.gif"
}

function linkOff(num)
{
document.images['link' + (num)].src = "http://www.mccallweddings.com/images/link"+(num)+".gif"
}

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 + ")";
}

function shiftOpacity(id, millisec) {
    //if an element is invisible, make it visible, else make it invisible
    if(document.getElementById(id).style.opacity == 0) {
        opacity(id, 0, 100, millisec);
    } else {
        opacity(id, 100, 0, millisec);
    }
}


function showpics1(){

opacity('photos1', 0, 100, 1000)
setTimeout("showpics2()",6000);

}

function showpics2(){


opacity('photos2', 0, 100, 1000)
opacity('photos1', 100, 0, 1000)

setTimeout("showpics3()",6000);

}

function showpics3(){

opacity('photos1', 0, 100, 1000)
opacity('photos2', 100, 0, 1000)
setTimeout("showpics2()",6000);

}