function vB_AJAX_TagSuggest(varname,textobjid,menukey)
{var webkit_version=userAgent.match(/applewebkit\/([0-9]+)/);if(AJAX_Compatible&&!(is_saf&&!(webkit_version[1]>=412)))
{this.menuobj=fetch_object(menukey+'_menu');this.textobj=fetch_object(textobjid);this.textobj.setAttribute("autocomplete","off");this.textobj.onfocus=function(e){this.obj.active=true;};this.textobj.onblur=function(e){this.obj.active=false;};this.textobj.obj=this;this.varname=varname;this.menukey=menukey;this.fragment='';this.donetags='';this.delimiters=new Array(',');this.selected=0;this.menuopen=false;this.timeout=null;this.tags=new Array();this.active=false;this.ajax_req=null;this.allow_multiple=false;this.min_chars=3;this.set_delimiters=function(delimiters)
{this.delimiters=new Array(',');if(delimiters)
{var delim_matches,i;if(delim_matches=PHP.match_all(delimiters,'\{([^}]*)\}'))
{for(i=0;i<delim_matches.length;i++)
{if(delim_matches[i][1]!=='')
{this.delimiters.push(delim_matches[i][1]);}
delimiters=delimiters.replace(delim_matches[i][0],'');}}
delim_matches=delimiters.split(' ');for(i=0;i<delim_matches.length;i++)
{if(delim_matches[i]!=='')
{this.delimiters.push(delim_matches[i]);}}}}
this.get_text=function()
{if(this.allow_multiple)
{var delimpos=-1,delimlen;for(var delimid=0;delimid<this.delimiters.length;delimid++)
{if(this.textobj.value.lastIndexOf(this.delimiters[delimid])>delimpos)
{delimpos=this.textobj.value.lastIndexOf(this.delimiters[delimid]);delimlen=this.delimiters[delimid].length;}}
if(delimpos==-1)
{this.donetags=new String('');this.fragment=new String(this.textobj.value);}
else
{this.donetags=new String(this.textobj.value.substring(0,delimpos+delimlen));this.fragment=new String(this.textobj.value.substring(delimpos+delimlen));}}
else
{this.fragment=new String(this.textobj.value);}
this.fragment=PHP.trim(this.fragment);}
this.set_text=function(i)
{if(this.allow_multiple)
{var extra_space=(this.donetags.substr(this.donetags.length-1)==" "?"":" ");this.textobj.value=PHP.ltrim(this.donetags+extra_space+PHP.unhtmlspecialchars(this.tags[i])+", ");}
else
{this.textobj.value=PHP.unhtmlspecialchars(this.tags[i]);}
this.textobj.focus();this.menu_hide();return false;}
this.move_row_selection=function(increment)
{var newval=parseInt(this.selected,10)+parseInt(increment,10);if(newval<0)
{newval=this.tags.length-1;}
else if(newval>=this.tags.length)
{newval=0;}
this.set_row_selection(newval);return false;}
this.set_row_selection=function(i)
{var tds=fetch_tags(this.menuobj,'td');tds[this.selected].className='vbmenu_option';this.selected=i;tds[this.selected].className='vbmenu_hilite';}
this.key_event_handler=function(evt)
{evt=evt?evt:window.event;if(this.menuopen)
{switch(evt.keyCode)
{case 38:{this.move_row_selection(-1);return false;}
case 40:{this.move_row_selection(1);return false;}
case 27:{this.menu_hide();return false;}
case 13:{this.set_text(this.selected);return false;}}}
this.get_text();if(this.fragment.length>=this.min_chars)
{clearTimeout(this.timeout);this.timeout=setTimeout(this.varname+'.tag_search();',500);}
else
{this.menu_hide();}}
this.tag_search=function()
{if(this.active)
{this.tags=new Array();this.ajax_req=YAHOO.util.Connect.asyncRequest("POST","ajax.php?do=tagsearch",{success:this.handle_ajax_response,failure:vBulletin_AJAX_Error_Handler,timeout:vB_Default_Timeout,scope:this},SESSIONURL+"securitytoken="+SECURITYTOKEN+"&do=tagsearch&fragment="+PHP.urlencode(this.fragment));}}
this.handle_ajax_response=function(ajax)
{if(ajax.responseXML)
{var node=this.textobj;do
{if(node.style.display=='none')
{this.menu_hide();return;}}
while((node=node.parentNode)!=null&&node.style);var tags=ajax.responseXML.getElementsByTagName('tag');if(tags.length)
{for(var i=0;i<tags.length;i++)
{this.tags[i]=tags[i].firstChild.nodeValue;}}
if(this.tags.length)
{this.menu_build();this.menu_show();}
else
{this.menu_hide();}}}
this.menu_build=function()
{this.menu_empty();var re=new RegExp('^('+PHP.preg_quote(this.fragment)+')',"i");var table=document.createElement('table');table.cellPadding=4;table.cellSpacing=1;table.border=0;for(var i in this.tags)
{if(YAHOO.lang.hasOwnProperty(this.tags,i))
{var td=table.insertRow(-1).insertCell(-1);td.className=(i==this.selected?'vbmenu_hilite':'vbmenu_option');td.title='nohilite';td.innerHTML='<a onclick="return '+this.varname+'.set_text('+i+')">'+this.tags[i].replace(re,'<strong>$1</strong>')+'</a>';}}
this.menuobj.appendChild(table);if(this.vbmenu==null)
{if(typeof(vBmenu.menus[this.menukey])!='undefined')
{this.vbmenu=vBmenu.menus[this.menukey];}
else
{this.vbmenu=vBmenu.register(this.menukey,true);}}
else
{this.vbmenu.init_menu_contents();}}
this.menu_empty=function()
{this.selected=0;while(this.menuobj.firstChild)
{this.menuobj.removeChild(this.menuobj.firstChild);}}
this.menu_show=function()
{if(this.active&&fetch_object(this.menukey))
{this.vbmenu.show(fetch_object(this.menukey),this.menuopen);this.menuopen=true;}}
this.menu_hide=function()
{try
{this.vbmenu.hide();}
catch(e){}
this.menuopen=false;}
this.textobj.onkeyup=function(e){return this.obj.key_event_handler(e);};this.textobj.onkeypress=function(e)
{e=e?e:window.event;if(e.keyCode==13)
{return(this.obj.menuopen?false:true);}};}
else
{this.set_delimiters=function(delimiters)
{}}}