select and deselect changed to accept array.

js/bootstrap-multiselect.js

@@ -446,7 +446,14 @@
         },
 
         // Select an option by its value.
-        select: function(value) {
+        select: function(selectValues) {
+            if(selectValues && !$.isArray(selectValues)) {
+                selectValues = [selectValues];
+            }
+
+            for(var i = 0; i < selectValues.length; i ++) {
+                var value = selectValues[i];
+
                 var $option = $('option', this.$select).filter(function() {
                     return $(this).val() == value;
                 });
@@ -461,13 +468,21 @@
                 $checkbox.prop('checked', true);
 
                 $option.attr('selected', 'selected').prop('selected', true);                
+                this.options.onChange($option, true);
+            }
 
             this.updateButtonText();
-            this.options.onChange($option, true);
         },
 
         // Deselect an option by its value.
-        deselect: function(value) {
+        deselect: function(deselectValues) {
+            if(deselectValues && !$.isArray(deselectValues)) {
+                deselectValues = [deselectValues];
+            }
+
+            for(var i = 0; i < deselectValues.length; i ++) {
+                var value = deselectValues[i];
+
                 var $option = $('option', this.$select).filter(function() {
                     return $(this).val() == value;
                 });
@@ -482,9 +497,10 @@
                 $checkbox.prop('checked', false);
 
                 $option.removeAttr('selected').prop('selected', false);               
+                this.options.onChange($option, false);
+            }
 
             this.updateButtonText();
-            this.options.onChange($option, false);
         },
 
         // Rebuild the whole dropdown menu.