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function performance(performerid,performername,instrumentid,instrumentname,displayit,roleid,rolename){this.performerid=performerid;this.performername=performername;this.instrumentid=instrumentid;this.instrumentname=instrumentname;this.displayit=displayit;this.roleid=roleid;this.rolename=rolename;}
function clearselectobject(so){while(so.options.length>0){so.remove(0);}}
function setselectedtext(selectid,txt){var selectbox=document.getElementById(selectid);if(selectbox==null)return false;selectbox.selectedIndex=-1;var j;for(j=0;j<selectbox.options.length;j++){if(selectbox.options[j].text==txt){selectbox.selectedIndex=j;return true;}}}
function setselectedvalue(selectid,value,fields,tables,where,morelabel){var selectbox=document.getElementById(selectid);if(selectbox==null)return false;var j;for(j=0;j<selectbox.options.length;j++){if(selectbox.options[j].value==value){selectbox.selectedIndex=j;return true;}}
if(fields==null)return false;var pars=add_parameter("","callback","dummy");pars=add_parameter(pars,"startrow",0);pars=add_parameter(pars,"distinct",0);pars=add_parameter(pars,"fields",fields);pars=add_parameter(pars,"tables",tables);pars=add_parameter(pars,"where",where);var url="/ajaxgetquerydata4.php?"+pars;var req=call_server_synchronously(url);var data=getresponsedata(req,"one");if(data==null)return false;clearselectobject(selectbox);addoptiontoselect(selectid,value,data[0][0]);selectbox.selectedIndex=0;addoptiontoselect(selectid,"MORE:0",morelabel);return true;}
function addoptiontoselectobject(so,val,str){var opt=document.createElement('option');if(browsertype=="MSIE"){so.add(opt);}else{so.add(opt,null);}
opt.value=val;opt.text=str;}
function addoptiontoselect(id,val,str){var so=document.getElementById(id);addoptiontoselectobject(so,val,str);}
function clear_selection(id){var abox=document.getElementById(id);abox.selectedIndex=0;}
var req;function loadXMLDoc(url,callback)
{if(window.XMLHttpRequest)
{req=new XMLHttpRequest();req.onreadystatechange=callback;req.open("GET",url,true);req.send(null);}else if(window.ActiveXObject)
{req=new ActiveXObject("Microsoft.XMLHTTP");if(req)
{req.onreadystatechange=callback;req.open("GET",url,true);req.send();}}}
function get_new_async_request()
{var req;if(window.XMLHttpRequest){req=new XMLHttpRequest();}else if(window.ActiveXObject){req=new ActiveXObject("Microsoft.XMLHTTP");if(!req)alert("Couldn't get new ActiveX XML request object");}else{alert("Unable to create XML HTTP request - this browser does not support them");return null;}
return req;}
function call_server_asynchronously(req,url,callback){req.onreadystatechange=callback;req.open("GET",url,true);if(window.XMLHttpRequest){req.send(null);}else if(window.ActiveXObject){req.send();}else{alert("Unable to call server - this browser does not support XML HTTP requests");}}
function call_server_post(url,content,description){if(window.XMLHttpRequest){var req=new XMLHttpRequest();req.onreadystatechange=function(){if(req.readyState!=4)return false;};req.open("POST",url,false);req.setRequestHeader("Content-Length",content.length);req.send(content);}else if(window.ActiveXObject){req=new ActiveXObject("Microsoft.XMLHTTP");if(req){req.onreadystatechange=function(){if(req.readyState!=4)return false;};req.open("GET",url,false);req.send();}}else{return"Unable to call server - this browser does not support XML HTTP requests";}
if(req.status!=200)return("Error in "+description+": status is "+req.status);var xde=req.responseXML.documentElement;var results=xde.getElementsByTagName('result');if(results.length<1)return description+": server response didn't include a result field";var answertext=node_get_text(results[0]);if(answertext.substr(0,2)!="OK"){if(answertext[0]=='*'){answertext=answertext.substr(1);}else{answertext=description+": error at server: "+answertext;}}
return answertext;}
function database_operate(optype,objectname,id,data){var pars="";pars=add_parameter(pars,"optype",optype);pars=add_parameter(pars,"objectname",objectname);pars=add_parameter(pars,"id",id);if(data!=null)pars=add_parameter(pars,"data",JSON2.stringify(data));var req=call_server_synchronously("/ajaxdatabaseoperate.php?"+pars);if(req.status!=200){alert("database_operate: couldn't retrieve return code; "+req.responseText);return 0;}
var doc=req.responseXML.documentElement;var results=doc.getElementsByTagName('result');if(results.length<1){alert("database_operate: server response didn't include a result field");return 0;}
var answertext=results[0].text;if(answertext==null)answertext=results[0].textContent;if(answertext.substr(0,2)!="OK"){alert("database_operate: retrieved error from server: "+answertext);return 0;}
if(optype==1){var idelements=doc.getElementsByTagName('id');if(idelements.length<1){alert("database_operate: server response didn't include an id field");return 0;}
var id=idelements[0].text;if(id==null)id=idelements[0].textContent;return id;}
return 1;}
function database_insert(objectname,data){return database_operate(1,objectname,0,data);}
function database_update(objectname,id,data){return database_operate(2,objectname,id,data);}
function database_delete(objectname,id){return database_operate(3,objectname,id,null);}
function getmultipleselection(comboboxid)
{var abox=document.getElementById(comboboxid);if(abox==null)
{alert("getmultipleselection: can't get select box with id "+comboboxid);return null;}
var selectedoptions="";var separator="";var i;var opt;for(i=0;i<abox.length;i++)
{opt=abox.options[i];if((opt.selected)&&(opt.value!=0))
{selectedoptions+=separator+opt.value;separator=",";}}
return selectedoptions;}
function addparams(pars,comboboxid,paramname)
{var selectedoptions=getmultipleselection(comboboxid);if(selectedoptions==null)return;return add_parameter(pars,paramname,selectedoptions);}
function get_more(id)
{var selectbox=document.getElementById(id);var selectvalue=selectbox.value;if(selectvalue.match("MORE:")!=null)
{return selectvalue.substr(5);}
return"X";}
var pickreq;function pick_starting_with(id,objectname){var startswith=document.getElementById(id+"_text").value;var where=null;var strings=null;if(startswith.length!=0){where=objectname+"name like <0>";strings=make_json_array(startswith+"%");}
if(id=="field_city_region"&&objectname=="region"){var fkcountry=getselectedvalue("citycountry");if(fkcountry>0){where=(where==null?"":where+=" and ");where+="fkcountry="+fkcountry;}}
call_the_server5(0,"id,"+objectname+"name","[t"+objectname+"]",null,where,strings,objectname+"name asc",0,id,0,null);}
function onchangeday(id,callback,startmonth,startyear)
{var daybox=document.getElementById("day"+id);var day=daybox.selectedIndex;var monthbox=document.getElementById("month"+id);var month=monthbox.selectedIndex;if(day==0)
{monthbox.selectedIndex=0;datefrom.value="";return;}
if(month==0)monthbox.selectedIndex=1;var year=startyear;month+=Number(startmonth)-1;if(month>12)
{month-=12;year++;}
if(day>daysinmonth(month,year))
{daybox.selectedIndex=daysinmonth(month,year);}
day=daybox.selectedIndex;document.getElementById(id).value=year+"-"+month+"-"+day;callback();}
function onchangemonth(id,callback,startmonth,startyear)
{var daybox=document.getElementById("day"+id);var day=daybox.selectedIndex;var monthbox=document.getElementById("month"+id);var month=monthbox.selectedIndex;if(month==0)
{daybox.selectedIndex=0;datefrom.value="";return;}
if(day==0)daybox.selectedIndex=1;var year=startyear;month+=Number(startmonth)-1;if(month>12)
{month-=12;year++;}
if(day>daysinmonth(month,year))
{daybox.selectedIndex=daysinmonth(month,year);}
day=daybox.selectedIndex;document.getElementById(id).value=year+"-"+month+"-"+day;callback();}
function daysinmonth(mon,year)
{switch(mon)
{case 1:case 3:case 5:case 7:case 8:case 11:return 31;case 2:if((year%100==0)||(year%4!=0))
return 28;else
return 29;default:return 30;}}
function get_month(jsdate)
{var testdate=new Date(Date.parse("30 Jan 2000"));var testmonth=new Number(testdate.getMonth());var ourmonth=new Number(jsdate.getMonth());if(testmonth==0)ourmonth++;return ourmonth;}
function show_date(mysql_date,separator){var mycountryid=get_cookie("mycountryid");var dateformat=(mycountryid==2)?"mdy":"dmy";var split=mysql_date.indexOf(' ');var t=mysql_date.substr(split+1,5);var y=mysql_date.substr(0,4);var md=mysql_date.substr(5,split-5);var split2=md.indexOf('-');var m=md.substr(0,split2);var d=md.substr(split2+1);var outtext=(dateformat=="mdy"?m+"/"+d:d+"/"+m);outtext+="/"+y;if(separator!=null)outtext+=separator+t;return outtext;}
function day_of_week(mysql_date){var split=mysql_date.indexOf(' ');var y=mysql_date.substr(0,4);var md=mysql_date.substr(5,split-5);var split2=md.indexOf('-');var m=md.substr(0,split2);var d=md.substr(split2+1);var jd=new Date();jd.setDate(d);jd.setMonth(m-1);jd.setYear(y);var days=new Array("Sunday","Monday","Tuesday","Wednesday","Thursday","Friday","Saturday");return days[jd.getDay()];}
function date_to_mysql(js_date){return js_date.getFullYear()+"-"+get_month(js_date)+"-"+js_date.getDate();}
function datetime_to_mysql(js_date){return date_to_mysql(js_date)+" "+js_date.getHours()+":"+js_date.getMinutes()+":"+js_date.getSeconds();}
function get_drupal_date(basename){var jd=new Date();jd.setFullYear(getselectedvalue(basename+"-year"),getselectedvalue(basename+"-month")-1,getselectedvalue(basename+"-day"));return jd;}
function setradioselection(name,index){document.getElementById(name+"_"+index).checked=true;}
function hide(id){var x=document.getElementById(id);if(x!=null)x.className="hidden";}
function betf_decode(value){var i;var inNumber=false;var numval=0;var str=String(value);var outstr="";for(i=0;i<str.length;i++){if(str.charAt(i)=='$'){if(inNumber){outstr+=String.fromCharCode(numval);inNumber=false;}else{numval=0;inNumber=true;}}else if(inNumber){numval=numval*10+Number(str.charAt(i)-'0');}else{outstr+=str.charAt(i);}}
return outstr;}
function make_json_array(value){var a=new Array();a[0]=value.replace(/&/g,"u0026");return JSON2.stringify(a);}
function trace_on(){document.getElementById("traceoutput").className="traceoutput";}
function trace(msg){var tracebox=document.getElementById("traceoutput");tracebox.innerHTML=tracebox.innerHTML+msg+"; ";}
var n_listeners=0;var listeners=new Array();function add_listener(thing,event,callback){listeners[n_listeners++]=GEvent.addListener(thing,event,callback);}
function myunload(){var i;for(i=0;i<n_listeners;i++){GEvent.removeListener(listeners[i]);}
if(GUnload!=null)GUnload();};function get_cookie(cname){if(document.cookie.length<=0)return null;var cstart=document.cookie.indexOf(cname+"=");if(cstart<0)return null;var cend=document.cookie.indexOf(";",cstart);if(cend<0)cend=document.cookie.length;var answer=unescape(document.cookie.substring(cstart+cname.length+1,cend));if(answer!=null)set_cookie(cname,answer);return answer==""?null:answer;}
function set_cookie(cname,cvalue){var exdate=new Date();exdate.setDate(exdate.getDate()+90);var cval=cname+"="+escape(cvalue)+";path=/;expires="+exdate.toGMTString();document.cookie=cval;}
function getselectedvalue(selectname){var selectbox=document.getElementById(selectname);if(selectbox==null)return-1;var index=selectbox.selectedIndex;if(index<0)return-1;return selectbox.options[index].value;}
function getselectedvalueforced(selectname){var selectbox=document.getElementById(selectname);var index=selectbox.selectedIndex;if(index>=0&&selectbox.options[index].value>0)return selectbox.options[index].value;alert("Must select a "+selectname);return-1;}
function getselectedtext(selectname){var selectbox=document.getElementById(selectname);var index=selectbox.selectedIndex;if(index<0)return null;return selectbox.options[index].text;}
function betf_encode(value){var i;var str=String(value);var outstr="";for(i=0;i<str.length;i++){var chval=str.charCodeAt(i);if((chval>127)||(chval==35)||(chval==36)||(chval==37)||(chval==38)||(chval==43)){outstr+="$"+chval+"$";}else{outstr+=str.charAt(i);}}
return outstr;}
function add_parameter(param_string,parname,value){if(value==null)return param_string;var str=String(value);if(str.length!=0){if(param_string.length!=0){param_string+="&";}
param_string+=parname+"="+betf_encode(str);}
return param_string;}
function call_server_synchronously(url){var req;if(window.XMLHttpRequest){req=new XMLHttpRequest();req.onreadystatechange=function(){if(req.readyState!=4)return false;};req.open("GET",url,false);req.send(null);}else if(window.ActiveXObject){req=new ActiveXObject("Microsoft.XMLHTTP");if(req){req.onreadystatechange=function(){if(req.readyState!=4)return false;};req.open("GET",url,false);req.send();}}else{alert("Unable to call server - this browser does not support XML HTTP requests");}
return req;}
function call_server_sync_process_response(url,description){var req=call_server_synchronously(url);if(req.status!=200)return("Error in "+description+": status is "+req.status);var xde=req.responseXML.documentElement;var results=xde.getElementsByTagName('result');if(results.length<1)return description+": server response didn't include a result field";var answertext=node_get_text(results[0]);if(answertext.substr(0,2)!="OK"){if(answertext[0]=='*'){answertext=answertext.substr(1);}else{answertext=description+": error at server: "+answertext;}
return answertext;}
return answertext;}
var gettext_type=0;function node_get_text(n){switch(gettext_type){case 0:var val=n.text;if(val!=null){gettext_type=1;return val;}
val=n.textContent;if(val!=null){gettext_type=2;return val;}
val=n.innerHTML;if(val!=null){gettext_type=3;return val;}
alert("This browser is unable to get text from the Bachtrack server.");return null;case 1:return n.text;case 2:return n.textContent;case 3:return n.innerText;}}
function trimvalue(id){var str=document.getElementById(id).value;if(str==null)return"";if(str.length==0)return str;while(str.charAt(0)==' '||str.charAt(0)=='\n')str=str.substr(1);if(str.length==0)return str;while((str.charAt(str.length-1)==' ')||(str.charAt(str.length-1)=='\n')){str=str.substr(0,str.length-1);}
return str;}
function ucfirst(txt){if(txt.length==0)return txt;return txt.substr(0,1).toUpperCase()+txt.substr(1);}
function elementhide(id){elementdisplay(id,"none");}
function elementshow(id){elementdisplay(id,"inline");}
function elementshowblock(id){elementdisplay(id,"block");}
function elementdisplay(id,value){var e=document.getElementById(id);if(e==null)return;e.style.display=value;}