// JavaScript Document
        function toggleDiv(divid){
            var div = document.getElementById(divid);
            var divimg = document.getElementById('a_img_'+divid);
            
            if(div.style.display == 'block')
            {
                div.style.display = 'none';
                divimg.style.backgroundImage = 'url(../images/plus.gif)';
            }
            else
            {
                div.style.display = 'block';
                divimg.style.backgroundImage = 'url(../images/minus.gif)';
            }
            
            }