function cf(obj){if(obj.value==obj.defaultValue)obj.value='';}
function rf(obj){if(obj.value=='')obj.value=obj.defaultValue;}
function df(f){el=f.elements
for(i=0;i<el.length;i++)
if(el[i].type=='text'&&el[i].value==el[i].defaultValue)
el[i].value='';return true}
function toggle(targetId){if(document.getElementById){target=document.getElementById(targetId);if(target.style.display=="none"){target.style.display="block";}else{target.style.display="none";}}}
function gC(name){var start=document.cookie.indexOf(name+"=");var len=start+name.length+1;if((!start)&&(name!=document.cookie.substring(0,name.length)))
{return null;}
if(start==-1)return null;var end=document.cookie.indexOf(";",len);if(end==-1)end=document.cookie.length;return unescape(document.cookie.substring(len,end));}
function sC(name,value,expires,path,domain,secure){var today=new Date();today.setTime(today.getTime());if(expires)
{expires=expires*1000*60*60*24;}
var expires_date=new Date(today.getTime()+(expires));document.cookie=name+"="+escape(value)+
((expires)?";expires=NEVER":"")+
((path)?";path="+path:"")+
((domain)?";domain="+domain:"")+
((secure)?";secure":"");}
function dC(name,path,domain){if(gC(name))document.cookie=name+"="+
((path)?";path="+path:"")+
((domain)?";domain="+domain:"")+";expires=Thu, 01-Jan-1970 00:00:01 GMT";}
function hackSurvey(cN,sID){sC(cN,sID,'','/','','');toggle('popDiv');}
function resetSurvey(cN){dC(cN,'/','');toggle('popDiv');}