fix for ie

@@ -626,8 +626,12 @@ function returnOptions(form, preview) {
 
 $.ajax({
   url: "" +pdf_customizer + "/api/v1/get-pdf/" + id.value,
-  cache: false,
-  dataType: "json",
+                type: "POST",
+                dataType: 'json',
+                data: jsonReturn,
+                contentType: "application/json",
+                CrossDomain: true,
+
   success: function(dataReturnd) {
 
             var content = [];