function toggle(id,full_open){
    var max = 4; 

	if(full_open == 0)
	{
		for(i=1;i<=max;i++){
			if(document.getElementById("ul_item"+i) && ("ul_item"+i)!=("ul_"+id)){
				document.getElementById("ul_item"+i).className = "closed";
				document.getElementById("img_item"+i).src = "images/menu-depliant-flecheverte-d.gif";
			}
		}
	}
	
    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/menu-depliant-flecheverte-b.gif";
                    }else{
                    ulElement.className = "closed";
                    imgElement.src = "images/menu-depliant-flecheverte-d.gif";
                    }
            }
    }