menu_status = new Array();

function toggle(id){
    ul = "ul_" + id;
    img = "img_" + id;
    ulElement = document.getElementById(ul);
    imgElement = document.getElementById(img);
    if (ulElement){
            if (ulElement.className == 'closed'){
                    ulElement.className = "open";
                    imgElement.src = "images/collapse.gif";
                    }else{
                    ulElement.className = "closed";
                    imgElement.src = "images/expand.gif";
                    }
            }
    }


function showHide(theid){
    if (document.getElementById) {
    var switch_id = document.getElementById(theid);
	img = "img_" + theid;
	imgElement = document.getElementById(img);
	
        if(menu_status[theid] != 'show') {
           switch_id.className = 'show';
           menu_status[theid] = 'show';
		   imgElement.src = "images/arrowdownGray.png";
        }else{
           switch_id.className = 'hide';
           menu_status[theid] = 'hide';
           imgElement.src = "images/arrowrightGray.png";
        }
    }
}