imgout=new Image(9,9);
imgin=new Image(9,9);

/////////////////BEGIN USER EDITABLE///////////////////////////////
imgout.src="http://www.throb.co.uk/images/u.gif";
imgin.src="http://www.throb.co.uk/images/d.gif";
///////////////END USER EDITABLE///////////////////////////////////

//this switches expand collapse icons
function filter(imagename,objectsrc){
if (document.images){
document.images[imagename].src=eval(objectsrc+".src");
}
}

//show OR hide funtion depends on if element is shown or hidden
function shoh(id) { 

if (document.getElementById) { // DOM3 = IE5, NS6
if (document.getElementById(id).style.display == "none"){
document.getElementById(id).style.display = 'block';
filter(("img"+id),'imgin');
} else {
filter(("img"+id),'imgout');
document.getElementById(id).style.display = 'none';
}
} else { 
if (document.layers) {
if (document.id.display == "none"){
document.id.display = 'block';
filter(("img"+id),'imgin');
} else {
filter(("img"+id),'imgout');
document.id.display = 'none';
}
} else {
if (document.all.id.style.visibility == "none"){
document.all.id.style.display = 'block';
} else {
filter(("img"+id),'imgout');
document.all.id.style.display = 'none';
}
}
}
}