function ajaxFunction(){
	var url="http://la-bike.org/cgi/cff_pledges/cffsurvey.pl";
	var plgd = false;
	var fm = document.forms['cffsurvey'];
	var len = fm.elements.length
	var val = null;
	var xmlhttp;
	if (window.XMLHttpRequest){
  		// code for IE7+, Firefox, Chrome, Opera, Safari
 	 	xmlhttp=new XMLHttpRequest();
  	}else if(window.ActiveXObject){
  		// code for IE6, IE5
  		xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
  	}else{
  		
  		isSupported = false;
  	}

	if(isSupported){

		for(var i = 0;i<len;i++){
			if(fm.elements[i].checked){
				val=fm.elements[i].value;
				
			}
			//alert(val)
		}
		if(val != null){
			url=url+"?ch="+val
			xmlhttp.onreadystatechange=function(){
				if(xmlhttp.readyState==4){
			// handle returned data - var=xmlhttp.responseText;
					var respTxt = xmlhttp.responseText;
					if(respTxt != ""){
						document.getElementById("cffmsg").innerHTML=respTxt;
						
						ajaxFunction2();
					}else{
						document.getElementById("cffmsg").innerHTML="&nbsp;"
					}
			
				}
			}
			document.getElementById("plgbtn").disabled=true;
			xmlhttp.open("GET",url,true);
			xmlhttp.send(null);	
		}else{
			document.getElementById("cffmsg").innerHTML="Please select a pledge.";
		}
	}else{
		alert("Sorry, your browser does not support the Car-Free Friday pledge feature.")
	}		
}

var isSupported = true;	
var totsTmout;	
function ajaxFunction2(){
	clearTimeout(totsTmout);
	var xmlhttp;
	if (window.XMLHttpRequest){
  		// code for IE7+, Firefox, Chrome, Opera, Safari
 	 	xmlhttp=new XMLHttpRequest();
  	}else if(window.ActiveXObject){
  		// code for IE6, IE5
  		xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
  	}else{
  		//alert("Your browser does not support XMLHTTP!");
  		isSupported = false;
  	}

	if(isSupported){
		var url="http://la-bike.org/cgi/cff_pledges/cffresults.pl";
	
		xmlhttp.onreadystatechange=function(){
			if(xmlhttp.readyState==4){
				var results = new Array();
				results = xmlhttp.responseText.split("|");
				var len = results.length;
		
				for(var i = 0;i<len;i++){
					if(document.getElementById("ch"+i) != null){
						document.getElementById("ch"+i).innerHTML=results[i];
					}
				}
		
		
			}
		}
		
		xmlhttp.open("GET",url,true);
		xmlhttp.send(null);	
		totsTmout = setTimeout("ajaxFunction2()",30000)
	}else{
		alert("Sorry, your browser does not support the Car-Free Friday pledge feature.")
	}	
}			
	
function clrTmr(){
	clearTimeout(totsTmout);

}