function clear_lat_long() {
try {
Xrm.Page.getAttribute('new_dynamicmaps_latitude').setValue(null);
Xrm.Page.getAttribute('new_dynamicmaps_latitude').setSubmitMode("always");
} catch (ex) {}
try {
Xrm.Page.getAttribute('new_dynamicmaps_longitude').setValue(null);
Xrm.Page.getAttribute('new_dynamicmaps_longitude').setSubmitMode("always");
} catch (ex) {}
try {
Xrm.Page.getAttribute('address1_latitude').setValue(null);
Xrm.Page.getAttribute('address1_latitude').setSubmitMode("always");
} catch (ex) {}
try {
Xrm.Page.getAttribute('address1_longitude').setValue(null);
Xrm.Page.getAttribute('address1_longitude').setSubmitMode("always");
} catch (ex) {}

}