function gID(el){if(document.getElementById(el)){return document.getElementById(el)}}
function hide(id){if(gID(id)){gID(id).style.display='none';}}
function show(id){if(gID(id)){gID(id).style.display='';}}
function attach_expander(tg,a,h,dur,fnb,fna){var anim=new YAHOO.util.Anim(tg,{height:{to:h}});anim.duration=dur;anim.onComplete.subscribe(fna);YAHOO.util.Event.on(gID(a),'click',fnb);YAHOO.util.Event.on(gID(a),'click',anim.animate,anim,true);}
function createCookie(name,value,days){if(days){var date=new Date();date.setTime(date.getTime()+(days*24*60*60*1000));var expires="; expires="+date.toGMTString();}
else var expires="";document.cookie=name+"="+value+expires+"; path=/";}
function readCookie(name){var nameEQ=name+"=";var ca=document.cookie.split(';');for(var i=0;i<ca.length;i++){var c=ca[i];while(c.charAt(0)==' ')c=c.substring(1,c.length);if(c.indexOf(nameEQ)==0)return c.substring(nameEQ.length,c.length);}
return null;}
function eraseCookie(name){createCookie(name,"",-1);}
var urlencode=function(str){str=escape(str);str=str.replace('+','%2B');str=str.replace('*','%2A');str=str.replace('/','%2F');str=str.replace('@','%40');return str;}
var urldecode=function(str){str=str.replace('+',' ');str=unescape(str);return str;}
var replace_for_qs=function(str){var s=str;s=(s).replace(/ /g,'%20');s=(s).replace(/:/g,'__CLN__');s=(s).replace(/\/\//g,'__SLSL__');s=(s).replace(/\//g,'__SL__');s=(s).replace(/&/g,'__AMP__');s=(s).replace(/=/g,'__EQL__');s=(s).replace(/\./g,'__PRD__');s=(s).replace(/</g,'__LT__');s=(s).replace(/>/g,'__GT__');s=(s).replace(/"/g,'__QUOT__');s=(s).replace(/'/g,'__APOS__');s=(s).replace(/\r/g,'__BR__');s=(s).replace(/\n/g,'__BR__');s=(s).replace(/\+/g,'__PLUS__');return s;}
var validate_email=function(str){var b_valid=true;var at="@";var dot=".";var lat=str.indexOf(at);var lstr=str.length;var ldot=str.indexOf(dot);if(str.indexOf(at)==-1){b_valid=false;}
if(str.indexOf(at)==-1||str.indexOf(at)==0||str.indexOf(at)==lstr){b_valid=false;}
if(str.indexOf(dot)==-1||str.indexOf(dot)==0||str.indexOf(dot)==lstr){b_valid=false;}
if(str.indexOf(at,(lat+1))!=-1){b_valid=false;}
if(str.substring(lat-1,lat)==dot||str.substring(lat+1,lat+2)==dot){b_valid=false;}
if(str.indexOf(dot,(lat+2))==-1){b_valid=false;}
if(str.indexOf(" ")!=-1){b_valid=false;}
return b_valid;}