I have a map of all ophthalmologists in my area at:
http://www.mytbos.com/geocode/mapback.htm which uses a database to
create the xml file containing the information for the markers which
is at
http://www.mytbos.com/geocode/echoxml1.php.
I am trying to have the user submit a form which will guide the
creation of the markers for the map. The form posts using the get
method. I then extract the variables from the form and try to pass
them to the php file that creates the file. It is not working.
The code that extracts and passes the variabes is:
var subs = 'all';
var insu = 'all';
//get variable from end of url if they are there skip ? at end of
url
var query = location.search.substring(1);
//split the rest at each & character to give a list of argname=value
pairs
var pairs = query.split("&");
for (var i=0; i<pairs.length; i++) {
//break each pair at the first "=" to obtin the argname and
value
var pos = pairs[i].indexOf("=");
var argname = pairs[i].substring(0,pos);
var value = pairs[i].substring(pos+1);
//process each argument name
if(argname="subs"){subs = parseFloat(value);}
if(argname="insu"){insu = parseFloat(value);}}
and then the xml creation code is:
GDownloadUrl("echoxml.php?subspecialty="+subs+"&insurance="+insu,
function(data) {
var xml = GXml.parse(data);
var markers = xml.documentElement.getElementsByTagName
("marker");
for (var i = 0; i < markers.length; i++) {
var name = markers[i].getAttribute("name");
var address = markers[i].getAttribute("address");
var phone = markers[i].getAttribute("phone");
var pid = markers[i].getAttribute("pid");
var aid = markers[i].getAttribute("aid");
var type = markers[i].getAttribute("type");
var point = new GLatLng(parseFloat(markers[i].getAttribute
("lat")),
parseFloat(markers[i].getAttribute
("lng")));
var marker = createMarker(point, name, address, phone,
pid, aid, type);
map.addOverlay(marker);
}
});
If you access the xml creating php file with the following url:
http://www.mytbos.com/geocode/echoxml1.php?subs=all&insu=1 the file
does what it is supposed to do. All the MySQL queries have been
tested and they work properly.
I must be making an error using the GDownloadURL function and trying
to pass variables with it. But I cannot figure out how to get it to
work.
Thank you for any help.
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