var xmlHttp

//SHOW TRAIL PROPOSALS FOR THIS TRAIL
function showWhoIsRiding(str)
{ 
xmlHttp=GetXmlHttpObject(str)
if (xmlHttp==null)
 {
 alert ("Browser does not support HTTP Request")
 return
 }
var url="ride_proposals.php?str="+str+"&sid="+Math.random()
xmlHttp.onreadystatechange=showWho 
xmlHttp.open("GET",url,true)
divhandler.divtag = "whoIsRiding"+str
xmlHttp.send(null)
}
//END SHOW RIDE PROPOSALS FOR THIS TRAIL

//HIDE RIDE PROPOSAL
function hideWhoIsRiding(str)
{ 
xmlHttp=GetXmlHttpObject(str)
if (xmlHttp==null)
 {
 alert ("Browser does not support HTTP Request")
 return
 }
var url="ride_proposals.php?str=hide&sid="+Math.random()
xmlHttp.onreadystatechange=showWho 
xmlHttp.open("GET",url,true)
divhandler.divtag = "whoIsRiding"+str
xmlHttp.send(null)
}
//END HIDE RIDE PROPOSAL

//JOIN RIDE
function joinWhoIsRiding(str)
{ 
xmlHttp=GetXmlHttpObject(str)
if (xmlHttp==null)
 {
 alert ("Browser does not support HTTP Request")
 return
 }
var url="ride_proposals.php?action=join&str="+str+"&sid="+Math.random()
xmlHttp.onreadystatechange=showWho 
xmlHttp.open("GET",url,true)
divhandler.divtag = "whoIsRiding"+str
xmlHttp.send(null)
}
//END JOIN RIDE

//START SHOW RIDE PROPOSAL FORM
function showRideProposalForm(str)
{ 
xmlHttp=GetXmlHttpObject()
if (xmlHttp==null)
 {
 alert ("Browser does not support HTTP Request")
 return
 }
var url="ride_proposals_form.php?action=showForm&str="+str+"&sid="+Math.random()
xmlHttp.onreadystatechange=addProposals
xmlHttp.open("GET",url,true)
xmlHttp.send(null)
}
//END SHOW RIDE PROPOSAL FORM

//START HIDE RIDE PROPOSAL FORM
function hideRideProposalForm()
{ 
xmlHttp=GetXmlHttpObject()
if (xmlHttp==null)
 {
 alert ("Browser does not support HTTP Request")
 return
 }
var url="ride_proposals_form.php?action=hideForm&sid="+Math.random()
xmlHttp.onreadystatechange=addProposals
xmlHttp.open("GET",url,true)
xmlHttp.send(null)
}
//END HIDE RIDE PROPOSAL FORM


//START ADD A RIDE PROPOSAL
function addRideProposal()
{ 
xmlHttp=GetXmlHttpObject()
if (xmlHttp==null)
 {
 alert ("Browser does not support HTTP Request")
 return
 }
var month=urlencode(document.getElementById('month').value)
var day=urlencode(document.getElementById('day').value)
var year=urlencode(document.getElementById('year').value)
var hour=urlencode(document.getElementById('hour').value)
var minute=urlencode(document.getElementById('minute').value)
var time=urlencode(document.getElementById('time').value)
var comment=urlencode(document.getElementById('comment').value)
var rider=urlencode(document.getElementById('rider').value)
var experience=urlencode(document.getElementById('experience').value)
var location=urlencode(document.getElementById('location').value)
var email=urlencode(document.getElementById('email').value)
var notify=urlencode(document.getElementById('notify').value)
var trail=urlencode(document.getElementById('trail').value)
var url="ride_proposals_form.php?action=process&month="+month+"&day="+day+"&year="+year+"&hour="+hour+"&minute="+minute+"&time="+time+"&comment="+comment+"&rider="+rider+"&experience="+experience+"&location="+location+"&email="+email+"&notify="+notify+"&trail="+trail+"&sid="+Math.random()
xmlHttp.open("GET",url,true)
xmlHttp.onreadystatechange=addProposals
xmlHttp.send(null)
}
//END ADD A RIDE PROPOSAL

//START ADD A RIDER TO RIDE
function addRiderToRide(str)
{ 
xmlHttp=GetXmlHttpObject()
if (xmlHttp==null)
 {
 alert ("Browser does not support HTTP Request")
 return
 }
var rider=urlencode(document.getElementById('rider').value)
var experience=urlencode(document.getElementById('experience').value)
var location=urlencode(document.getElementById('location').value)
var email=urlencode(document.getElementById('email').value)
var ride=urlencode(document.getElementById('ride').value)
var url="ride_proposals.php?action=join&subAction=process&rider="+rider+"&experience="+experience+"&location="+location+"&email="+email+"&str="+ride+"&sid="+Math.random()
xmlHttp.open("GET",url,true)
xmlHttp.onreadystatechange=showWho
divhandler.divtag = "whoIsRiding"+str
xmlHttp.send(null)
}
//END ADD A RIDER TO RIDE

//STATE OF REQUEST SHOWWHO
function showWho() 
{ 
if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
 { 
  document.getElementById(divhandler.divtag).innerHTML=xmlHttp.responseText 
 } 
}
//END STATE OF REQUEST SHOWWHO

//STATE OF REQUEST RIDEPROPOSALS
function addProposals() 
{ 
if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
 { 
  document.getElementById("rideProposalsForm").innerHTML=xmlHttp.responseText 
 } 
}
//END STATE OF REQUEST RIDEPROPOSALS

//CHECK BROWSER COMPATIBILITY WITH AJAX
function GetXmlHttpObject()
{
var xmlHttp=null;
try
 {
 // Firefox, Opera 8.0+, Safari
 xmlHttp=new XMLHttpRequest();
 }
catch (e)
 {
 //Internet Explorer
 try
  {
  xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
  }
 catch (e)
  {
  xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
  }
 }
return xmlHttp;
} 
//END BROWSER COMPATIBILITY CHECK