function toggle(toggler) {
                if(document.getElementById) {
                                targetElement = toggler.parentNode.nextSibling;
                
                                if(targetElement.className == undefined) {
                                                targetElement = toggler.parentNode.nextSibling.nextSibling;     
                                }              
 
                                if (targetElement.style.display == "block") {
                                                targetElement.style.display = "none";
                                } else {
                                                targetElement.style.display = "block";
                                }
 
                                // Added by SC, change arrow direction on expand/collapse
                                toggler.className = (toggler.className.indexOf('Expanded') > -1) ? toggler.className.replace('Expanded', '') : toggler.className + 'Expanded';
 
                }
}