this.col_cats=function(){var expandTo=1;var expandText="Expand All";var collapseText="Collapse All";var listClass="col_cats"
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li.onclick=function(){if(this.over){ul.style.display=(ul.style.display=="none")?"block":"none";this.className=(ul.style.display=="none")?"collapsed":"expanded";};};};};this.expand=function(list){li=list.getElementsByTagName("li");for(var i=0;i<li.length;i++){if(li[i].getElementsByTagName("ul").length>0){var ul=li[i].getElementsByTagName("ul")[0];ul.style.display="block";li[i].className="expanded";};};};this.collapse=function(list){li=list.getElementsByTagName("li");for(var i=0;i<li.length;i++){if(li[i].getElementsByTagName("ul").length>0){var ul=li[i].getElementsByTagName("ul")[0];ul.style.display="none";li[i].className="collapsed";};};};this.depth=function(obj){var level=1;while(obj.parentNode.className!=listClass){if(obj.tagName=="UL")level++;obj=obj.parentNode;};return level;};this.buttons=function(list){var parent=list.parentNode;var p=document.createElement("p");p.className=listClass;var span=document.createElement("span");span.setAttribute("style","float:right;");var a=document.createElement("a");a.innerHTML=collapseText;a.onclick=function(){collapse(list)};p.appendChild(span);span.appendChild(a);var a=document.createElement("a");a.innerHTML=expandText;a.onclick=function(){expand(list)};p.appendChild(a);parent.insertBefore(p,list);};start();};window.onload=col_cats;