var is_regexp=(window.RegExp)?true:false;function fetch_object(idname)
{if(document.getElementById)
{return document.getElementById(idname);}
else if(document.all)
{return document.all[idname];}
else if(document.layers)
{return document.layers[idname];}
else
{return null;}}
function toggle_collapse(objid)
{if(!is_regexp)
{return false;}
obj=fetch_object('collapseobj_'+objid);img=fetch_object('collapseimg_'+objid);cel=fetch_object('collapsecel_'+objid);if(!obj)
{if(img)
{img.style.display='none';}
return false;}
if(obj.style.display=='none')
{obj.style.display='';save_collapsed(objid,false);if(img)
{img_re=new RegExp("_collapsed\\.gif$");img.src=img.src.replace(img_re,'.gif');}
if(cel)
{cel_re=new RegExp("^(thead|tcat)(_collapsed)$");cel.className=cel.className.replace(cel_re,'$1');}}
else
{obj.style.display='none';save_collapsed(objid,true);if(img)
{img_re=new RegExp("\\.gif$");img.src=img.src.replace(img_re,'_collapsed.gif');}
if(cel)
{cel_re=new RegExp("^(thead|tcat)$");cel.className=cel.className.replace(cel_re,'$1_collapsed');}}
return false;}
function save_collapsed(objid,addcollapsed)
{var collapsed=fetch_cookie('ts_collapse');var tmp=new Array();if(collapsed!=null)
{collapsed=collapsed.split('\n');for(var i in collapsed)
{if(collapsed[i]!=objid&&collapsed[i]!='')
{tmp[tmp.length]=collapsed[i];}}}
if(addcollapsed)
{tmp[tmp.length]=objid;}
expires=new Date();expires.setTime(expires.getTime()+(1000*86400*365));set_cookie('ts_collapse',tmp.join('\n'),expires);}
function fetch_cookie(name)
{cookie_name=name+'=';cookie_length=document.cookie.length;cookie_begin=0;while(cookie_begin<cookie_length)
{value_begin=cookie_begin+cookie_name.length;if(document.cookie.substring(cookie_begin,value_begin)==cookie_name)
{var value_end=document.cookie.indexOf(';',value_begin);if(value_end==-1)
{value_end=cookie_length;}
return unescape(document.cookie.substring(value_begin,value_end));}
cookie_begin=document.cookie.indexOf(' ',cookie_begin)+1;if(cookie_begin==0)
{break;}}
return null;}
function set_cookie(name,value,expires)
{document.cookie=name+'='+escape(value)+'; path=/'+(typeof expires!='undefined'?'; expires='+expires.toGMTString():'');}