convert string to coordinates javascript
var b_gps=option.GPS; var commaPos=b_gps.indexOf(','); var coordinatesLat=parseFloat(b_gps.substring(0,commaPos)); var coordinatesLong=parseFloat(b_gps.substring(commaPos+1,b_gps.length)); PlacemarkB=new ymaps.Placemark([coordinatesLat,coordinatesLong],{
https://gist.github.com/chrislkeller/3553967