function setCookie()
{if(!(readCookie('aps_cookie')||readCookie('aps_referrer')))
{var date=new Date();date.setTime(date.getTime()+(1*24*60*60*1000));var expires="; expires="+date.toGMTString();var value=escape(document.referrer);var name='aps_referrer';document.cookie=name+"="+value+expires+"; path=/";var entry_value=window.location.href;entry_value=entry_value.substr(39);var entry_name='aps_entry';document.cookie=entry_name+"="+entry_value+expires+"; path=/";var searchString=document.location.search;searchString=searchString.substring(1);var nvPairs=searchString.split("&");for(i=0;i<nvPairs.length;i++)
{var nvPair=nvPairs[i].split("=");var name=nvPair[0];var value=nvPair[1];if(name=='pp')
{var pp_name='aps_pp';document.cookie=pp_name+"="+value+expires+"; path=/";}
else if(name=='kw')
{var kw_name='aps_kw';document.cookie=kw_name+"="+value+expires+"; path=/";}
else if(name=='ad')
{var kw_name='aps_ad_id';document.cookie=kw_name+"="+value+expires+"; path=/";}
else if(name=='id')
{var kw_name='aps_id';document.cookie=kw_name+"="+value+expires+"; path=/";}
else if(name=='aff')
{var kw_name='aps_aff';document.cookie=kw_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 setReturnMonth()
{if(document.SelForm.ddm.value>document.SelForm.rdm.value)
{document.SelForm.rdm.value=document.SelForm.ddm.value;}}
function setReturnYear()
{if(document.SelForm.ddy.value>document.SelForm.rdy.value)
{document.SelForm.rdy.value=document.SelForm.ddy.value;}}
function check_dates(fromDate,toDate)
{if(fromDate>toDate)
{return false;}
return true;}
function valid_dates(fromDate,toDate)
{var frDate=isDate(2000+Math.abs(document.SelForm.ddy.value),Math.abs(document.SelForm.ddm.value),Math.abs(document.SelForm.ddd.value));var retDate=isDate(2000+Math.abs(document.SelForm.rdy.value),Math.abs(document.SelForm.rdm.value),Math.abs(document.SelForm.rdd.value));if(frDate!=0)
{alert(getDateMsg(frDate));return false;}
if(retDate!=0)
{alert(getDateMsg(retDate));return false;}
return true;}
function isDate(y,m,d)
{d=Math.abs(d)||0,m=Math.abs(m)||0,y=Math.abs(y)||0;return arguments.length!=3?1:d<1||d>31?2:m<1||m>12?3:/4|6|9|11/.test(m)&&d==31?4:m==2&&(d>((y=!(y%4)&&(y%1e2)||!(y%4e2))?29:28))?5+!!y:0;};function getDateMsg(x)
{return x==0?"Valid Date":x==1?"Invalid date format":x==2?"Invalid day":x==3?"Invalid month":x==4?"Invalid date\nTip\n30 days have April, June, September and November \nall the rest have 31 except February....":x==5?"February has only 28 days":x==6?"In leap years, February has 29 days":"nothing =]";};function check_form()
{var fromDate=new Date(2000+Math.abs(document.SelForm.ddy.value),Math.abs(document.SelForm.ddm.value)-1,document.SelForm.ddd.value);var toDate=new Date(2000+Math.abs(document.SelForm.rdy.value),Math.abs(document.SelForm.rdm.value)-1,document.SelForm.rdd.value);if(!valid_dates(fromDate,toDate))
{return false;}
if(!check_dates(fromDate,toDate))
{alert('Please check your departure date, as it is before your return date');return false;}
var now=new Date();now.setDate(now.getDate()-1);if(now>fromDate)
{alert('Please change your departure date, as it is before today.');return false;}
if(document.SelForm.ap.value=='')
{alert('Please select the airport you require');return false;}
var str=new String(document.SelForm.tc.value);if(!(str.lastIndexOf(document.SelForm.ap.value)>1))
{document.SelForm.tc.value=document.SelForm.tc.value+document.SelForm.ap.value;}
return true;}
function popUp(px,agent,tmp,ap,ddd,ddm,ddy,dth,dtm,rdd,rdm,rdy,rth,rtm,tc)
{var px=px.value;var agent=agent.value;var tmp=tmp.value;var ap=ap.options[ap.selectedIndex].value;var ddd=ddd.options[ddd.selectedIndex].value;var ddm=ddm.options[ddm.selectedIndex].value;var ddy=ddy.options[ddy.selectedIndex].value;var dth=dth.options[dth.selectedIndex].value;var dtm=dtm.options[dtm.selectedIndex].value;var rdd=rdd.options[rdd.selectedIndex].value;var rdm=rdm.options[rdm.selectedIndex].value;var rdy=rdy.options[rdy.selectedIndex].value;var rth=rth.options[rth.selectedIndex].value;var rtm=rtm.options[rtm.selectedIndex].value;var tc=tc.value;tc=tc+'-'+ap;var urlString="http://parking.essentialtravel.co.uk/airportParking/results.asp?px="+px+"&agent="+agent+"&tmp="+tmp+"&ap="+ap+"&ddd="+ddd+"&ddm="+ddm+"&ddy="+ddy+"&dth="+dth+"&dtm="+dtm+"&rdd="+rdd+"&rdm="+rdm+"&rdy="+rdy+"&rth="+rth+"&rtm="+rtm+"&tc="+tc;posx=(screen.width/2)-(790/2)
posy=(screen.height/2)-(540/2)
if(posx<0){posx=0;}
if(posy<0){posy=0;}
openWindow(urlString,'travel','width=790,height=540,scrollbars=yes,status=yes,toolbar=yes,resizable=yes,location=no,left='+posx+',top='+posy);}
function openWindow(theURL,winName,features){parkingDisplay=window.location.href(theURL);parkingDisplay.focus();}
function fromDate()
{start=new Date();start.setDate(start.getDate()+1);var d,m,y;d=start.getDate();m=start.getMonth();y=start.getFullYear();document.SelForm.ddd.selectedIndex=d-1;document.SelForm.ddm.selectedIndex=m;document.SelForm.ddy.selectedIndex=y-2008;}
function toDate()
{fromDate();end=new Date();end.setDate(end.getDate()+8);var d,m,y;d=end.getDate();m=end.getMonth();y=end.getFullYear();document.SelForm.rdd.selectedIndex=d-1;document.SelForm.rdm.selectedIndex=m;document.SelForm.rdy.selectedIndex=y-2008;}
var dep_cal,ret_cal;function init()
{dep_cal=new Epoch('dep_popup','popup',document.getElementById('dep_container'),false,document.getElementById('dep_trigger'));ret_cal=new Epoch('ret_popup','popup',document.getElementById('ret_container'),false,document.getElementById('ret_trigger'));if(document.SelForm.rdd.value=='01'&&document.SelForm.rdm.value=='01')
{toDate();}
if(apc)
{document.SelForm.ap.value=apc;}
setCookie();}
function doBookmarkLink()
{title="Airport Parking Search";url="http://www.airport-parking-search.co.uk";if(window.sidebar){window.sidebar.addPanel(title,url,"");}else if(window.external){window.external.AddFavorite(url,title);}
else if(window.opera&&window.print){return true;}}