function setTFValue(number,section) {
        if(section=="part") {
                document.getElementById('part_an').value=number;
                document.forms["partEntry"].submit();
        }
        else {
                document.getElementById('chair_tf').value=number;
                document.forms["chairEntry"].submit();
        }
}

function multiTF_display(tf_numbers,section) {
        var tf_array = new Array();
        tf_array = tf_numbers.split(":");
        var tf_radio_text='<p style="margin-bottom: 4px;">Please select the appropriate Dial in number below:</p>';

        if(section=="part") {
                for(var i=0;i<tf_array.length;i++) {
                        tf_radio_text = tf_radio_text + '<p style="margin-bottom: 4px; line-height:1em;"><input style="margin:0 6px 0 0 !important; padding:0; line-height: 1em;" type="radio" name="radio_an" onclick="setTFValue(\''+tf_array[i]+'\',\'part\')">'+tf_array[i]+'</p>';
                }
                document.getElementById('part_mutliTF_view').innerHTML=tf_radio_text;
                document.getElementById('part_mutliTF_view').style.visibility="visible";
        }
        else {
                for(var i=0;i<tf_array.length;i++) {
                        tf_radio_text = tf_radio_text + '<p style="margin-bottom: 4px; line-height:1em;"><input style="margin:0 6px 0 0 !important; padding:0; line-height: 1em;" type="radio" name="radio_an" onclick="setTFValue(\''+tf_array[i]+'\',\'chair\')">'+tf_array[i]+'</p>';
                }
                document.getElementById('chair_mutliTF_view').innerHTML=tf_radio_text;
                document.getElementById('chair_mutliTF_view').style.visibility="visible";
                
        }

}

function setTF(tf_numbers,section) {
        var tf_array = new Array();
        tf_array = tf_numbers.split(":");
	if(tf_numbers == 0) {
		if(section=="part") {
			showInvalid('part');
		}
		else {
			showInvalid('chair');
		}
	}
	
        else if(tf_array.length > 1) {
                multiTF_display(tf_numbers,section);
        }
        else if(tf_array.length == 1) {
                if(section=="part") {
                        document.getElementById('part_an').value=tf_numbers;
                        document.forms["partEntry"].submit();
                }
                else { //chair section login
                        document.getElementById('chair_tf').value=tf_numbers;
                        document.forms["chairEntry"].submit();
                }
        }
}

function showInvalid(section) {
        if(section=="part") {
		document.getElementById('part_mutliTF_view').innerHTML="<div style=\"color:red;font-weight:bold;\">Invalid Access Code</div>";
                document.getElementById('part_mutliTF_view').style.visibility="visible";
	}
        else {
		document.getElementById('chair_mutliTF_view').innerHTML="<div style=\"color:red;font-weight:bold;\">Invalid Login</div>";
                document.getElementById('chair_mutliTF_view').style.visibility="visible";
	}
}

function showSystemMaintenanceNotice(section) {
	if(section=="part") {
		document.getElementById('part_mutliTF_view').innerHTML="<div style=\"color:red;font-weight:bold;\">ReadyTalk web conferencing services are currently unavailable due to scheduled system maintenance. Please try again later.";
		document.getElementById('part_mutliTF_view').style.visibility="visible";
	}
	else {
		document.getElementById('chair_mutliTF_view').innerHTML="<div style=\"color:red;font-weight:bold;\">ReadyTalk web conferencing services are currently unavailable due to scheduled system maintenance. Please try again later.";
		document.getElementById('chair_mutliTF_view').style.visibility="visible";
	}
}

function showSystemError(section) {
        if(section=="part") {
		document.getElementById('part_mutliTF_view').innerHTML="<div style=\"color:red;font-weight:bold;\">An error has occurred.<br>Please contact support.<br>U.S. and Canada: 800.843.9166<br>International: 303.209.1600</div>";
                document.getElementById('part_mutliTF_view').style.visibility="visible";
	}
        else {
		document.getElementById('chair_mutliTF_view').innerHTML="<div style=\"color:red;font-weight:bold;\">An error has occurred.<br>Please contact support.<br>U.S. and Canada: 800.843.9166<br>International: 303.209.1600</div>";
                document.getElementById('chair_mutliTF_view').style.visibility="visible";
	}
}

function checkTF(section) {
  // Obtain an XMLHttpRequest instance
  var req = newXMLHttpRequest();
  if(section == 'part') {
        var ac  = document.getElementById('part_ac').value;
        for(var i=0;i<ac.length;i++) {
                if(ac.charCodeAt(i) < 48 || ac.charCodeAt(i) > 57) {
                        if(ac.charCodeAt(i) == 32) { //this is a space, so we'll strip it out and correct form value
                                var regexp = / /;
                                document.getElementById('part_ac').value=ac.replace(regexp,"");
                                ac=document.getElementById('part_ac').value; //reset value for check
                        }
                        //else {  //any other chars found, we'll warn and not send them in
                        //        alert("Bad character found.\nPlease check entry");
                        //        return false;
                        //}
                }
        }        
  }
  else  { //chair value to be looked up
        var ac  = document.getElementById('chair_ac').value;
        for(var i=0;i<ac.length;i++) {
                if(ac.charCodeAt(i) < 48 || ac.charCodeAt(i) > 57) {
                        if(ac.charCodeAt(i) == 32) { //this is a space, so we'll strip it out and correct form value
				//alert('space at ' + i);
                                var regexp = / /;
                                document.getElementById('chair_ac').value=ac.replace(regexp,"");
                                ac=document.getElementById('chair_ac').value  //reset value for check
				i--; //we have to decrement one to keep counter inline
                        }
                        else {  //any other chars found, we'll warn and not send them in
                                alert("Bad character found.\nPlease check entry");
                                return false;
                        }
                }
        }        
  }

  if(document.getElementById('chair_passcode').value == '' && section != 'part') { 
	document.getElementById('chair_mutliTF_view').innerHTML="<div style=\"color:red;font-weight:bold;\">Please enter passcode.</div>";
        document.getElementById('chair_mutliTF_view').style.visibility="visible";
  }
  else {
	  var url = "check_tollfree.php?ac="+ac;
	  req.onreadystatechange = function() { retrieveTF(req,section); };
	  req.open("GET", url, true);
	  req.send(null);
  }
  return false;
}

function retrieveTF(req,section) {
  if (req.readyState == 4) {
        if (req.status == 200) {
                //alert('in 200');
                if(req.responseText == 'lookup error') {
                        showSystemError(section);
                        return false;
                }
		else if(req.responseText == 'maint') {
			showSystemMaintenanceNotice(section);
			return false;
		}
                else if(req.responseText.substr(0,13) == 'send to event') {
                        var textvar = req.responseText.split("|||");
                        var geturl=textvar[1];
			document.getElementById('er').value=document.getElementById('part_ac').value;
                        document.getElementById('ev_form').action=geturl;
                        document.ev_form.submit()
			return false;
		}                
                else {
                        setTF(req.responseText,section)
                        if(section=="part") {
                        //document.forms["partEntry"].submit();
                        }
                }
        }
        else {
                alert('There was a problem with the request.\nPlease contact customer support at 1-800-843-9166');
        }
  }
}