function nextImageRotation() {
var rotImgChildren = $j('#rotatingImageBk').children();
rotImgChildren = rotImgChildren[0].childNodes;
var rotButChildren = $j('#rotatingImageButtons').children();
if (curImage > rotButChildren.length)
curImage = 1;

for (var i = 0; i < rotButChildren.length; i++) {
if (i+1==curImage) {
rotateImage(i+1, rotButChildren[i]);
}
}
curImage++;
}

function rotateImage(id, obj) {
var rotImgChildren = $j('#rotatingImageTextContainer').children();
for (var i = 0; i < rotImgChildren.length; i++) {
if (rotImgChildren[i].nodeName == 'DIV' && i+1 != id)
$j(rotImgChildren[i]).fadeOut();
}

var rotButChildren = $j('#rotatingImageButtons').children();
for (var i = 0; i < rotButChildren.length; i++) {
$j(rotButChildren[i]).removeClass('bO');
}

$j(obj).addClass('bO');

$j('#rotatingImage_'+id).fadeIn();
var children = $j('#rotatingImage_'+id).children();

$j('#rotatingImageFader').css('background-image','url('+children[children.length-1].src+')');

$j('#rotatingImageBk').fadeOut("normal",function() {
$j('#rotatingImageBk').css('background-image','url('+children[children.length-1].src+')');
//do nothing
});

$j('#rotatingImageBk').fadeIn();

}


//layer visibility functions
function toggleLayer(obj) {
if(document.getElementById(obj).style.visibility == "visible") {
document.getElementById(obj).style.visibility = "hidden";
document.getElementById(obj).style.display = "none";
}
else {
document.getElementById(obj).style.visibility = "visible";
document.getElementById(obj).style.display = "";
}
}
function hideLayer(obj) {
document.getElementById(obj).style.visibility = "hidden";
document.getElementById(obj).style.display = "none";
} 
function showLayer(obj) {
document.getElementById(obj).style.visibility = "visible";
document.getElementById(obj).style.display = "";
}



function checkLabel (field,value,state) {
if (field.value == '' && !state) {
field.value = value;
}
else if (field.value == value && state) {
field.value = '';
}    
}