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

/////////////////BEGIN USER EDITABLE///////////////////////////////
        imgout.src="img/pos.gif";
        imgin.src="img/neg.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';
                        }
                }
        }
}