diff --git a/lib/galaxy/util/__init__.py b/lib/galaxy/util/__init__.py
index 4e36d6b665a..d23ea6e425f 100644
--- a/lib/galaxy/util/__init__.py
+++ b/lib/galaxy/util/__init__.py
@@ -196,7 +196,18 @@ def restore_text(text):
     return text
 
 def sanitize_text(text):
-    """Restricts the characters that are allowed in a text"""
+    """
+    Restricts the characters that are allowed in text; accepts both strings
+    and lists of strings.
+    """
+    if isinstance( text, basestring ):
+        return _sanitize_text_helper(text)
+    elif isinstance( text, list ):
+        return [ _sanitize_text_helper(t) for t in text ]
+
+def _sanitize_text_helper(text):
+    """Restricts the characters that are allowed in a string"""
+
     out = []
     for c in text:
         if c in valid_chars:
diff --git a/static/scripts/galaxy.grids.js b/static/scripts/galaxy.grids.js
index 881053b2371..e48d283d631 100644
--- a/static/scripts/galaxy.grids.js
+++ b/static/scripts/galaxy.grids.js
@@ -48,7 +48,7 @@ var Grid = Backbone.Model.extend({
         // Update URL arg with new condition.            
         if (append) {
             // Update or append value.
-            var cur_val = this.attributes.key,
+            var cur_val = this.attributes.filters[key],
                 new_val;
             if (cur_val === null || cur_val === undefined) {
                 new_val = value;
diff --git a/static/scripts/packed/galaxy.grids.js b/static/scripts/packed/galaxy.grids.js
index a982db79c4c..437bc892164 100644
--- a/static/scripts/packed/galaxy.grids.js
+++ b/static/scripts/packed/galaxy.grids.js
@@ -1 +1 @@
-jQuery.ajaxSettings.traditional=true;$(document).ready(function(){init_grid_elements();init_grid_controls();$("input[type=text]").each(function(){$(this).click(function(){$(this).select()}).keyup(function(){$(this).css("font-style","normal")})})});var Grid=Backbone.Model.extend({defaults:{url_base:"",async:false,async_ops:[],categorical_filters:[],filters:{},sort_key:null,show_item_checkboxes:false,cur_page:1,num_pages:1,operation:undefined,item_ids:undefined},can_async_op:function(a){return _.indexOf(this.attributes.async_ops,a)!==-1},add_filter:function(e,f,b){if(b){var c=this.attributes.key,a;if(c===null||c===undefined){a=f}else{if(typeof(c)=="string"){if(c=="All"){a=f}else{var d=[];d[0]=c;d[1]=f;a=d}}else{a=c;a.push(f)}}this.attributes.filters[e]=a}else{this.attributes.filters[e]=f}},remove_filter:function(b,e){var a=this.attributes.filters[b];if(a===null||a===undefined){return false}var d=true;if(typeof(a)==="string"){if(a=="All"){d=false}else{delete this.attributes.filters[b]}}else{var c=_.indexOf(a,e);if(c!==-1){a.splice(c,1)}else{d=false}}return d},get_url_data:function(){var a={async:this.attributes.async,sort:this.attributes.sort_key,page:this.attributes.cur_page,show_item_checkboxes:this.attributes.show_item_checkboxes};if(this.attributes.operation){a.operation=this.attributes.operation}if(this.attributes.item_ids){a.id=this.attributes.item_ids}var b=this;_.each(_.keys(b.attributes.filters),function(c){a["f-"+c]=b.attributes.filters[c]});return a}});function init_operation_buttons(){$("input[name=operation]:submit").each(function(){$(this).click(function(){var b=$(this).val();var a=[];$("input[name=id]:checked").each(function(){a.push($(this).val())});do_operation(b,a)})})}function init_grid_controls(){init_operation_buttons();$(".submit-image").each(function(){$(this).mousedown(function(){$(this).addClass("gray-background")});$(this).mouseup(function(){$(this).removeClass("gray-background")})});$(".sort-link").each(function(){$(this).click(function(){set_sort_condition($(this).attr("sort_key"));return false})});$(".page-link > a").each(function(){$(this).click(function(){set_page($(this).attr("page_num"));return false})});$(".categorical-filter > a").each(function(){$(this).click(function(){set_categorical_filter($(this).attr("filter_key"),$(this).attr("filter_val"));return false})});$(".text-filter-form").each(function(){$(this).submit(function(){var d=$(this).attr("column_key");var c=$("#input-"+d+"-filter");var e=c.val();c.val("");add_filter_condition(d,e,true);return false})});var a=$("#input-tags-filter");if(a.length){a.autocomplete(history_tag_autocomplete_url,{selectFirst:false,autoFill:false,highlight:false,mustMatch:false})}var b=$("#input-name-filter");if(b.length){b.autocomplete(history_name_autocomplete_url,{selectFirst:false,autoFill:false,highlight:false,mustMatch:false})}$(".advanced-search-toggle").each(function(){$(this).click(function(){$("#standard-search").slideToggle("fast");$("#advanced-search").slideToggle("fast");return false})})}function init_grid_elements(){$(".grid").each(function(){var b=$(this).find("input.grid-row-select-checkbox");var a=$(this).find("span.grid-selected-count");var c=function(){a.text($(b).filter(":checked").length)};$(b).each(function(){$(this).change(c)});c()});$(".label").each(function(){var a=$(this).attr("href");if(a!==undefined&&a.indexOf("operation=")!=-1){$(this).click(function(){do_operation_from_href($(this).attr("href"));return false})}});$(".community_rating_star").rating({});make_popup_menus()}function go_page_one(){var a=grid.get("cur_page");if(a!==null&&a!==undefined&&a!=="all"){grid.set("cur_page",1)}}function add_filter_condition(c,e,a){if(e===""){return false}grid.add_filter(c,e,a);var d=$("<span>"+e+"<a href='javascript:void(0);'><span class='delete-search-icon' /></a></span>");d.addClass("text-filter-val");d.click(function(){grid.remove_filter(c,e);$(this).remove();go_page_one();update_grid()});var b=$("#"+c+"-filtering-criteria");b.append(d);go_page_one();update_grid()}function add_tag_to_grid_filter(c,b){var a=c+(b!==undefined&&b!==""?":"+b:"");$("#advanced-search").show("fast");add_filter_condition("tags",a,true)}function set_sort_condition(f){var e=grid.get("sort_key");var d=f;if(e.indexOf(f)!==-1){if(e.substring(0,1)!=="-"){d="-"+f}else{}}$(".sort-arrow").remove();var c=(d.substring(0,1)=="-")?"&uarr;":"&darr;";var a=$("<span>"+c+"</span>").addClass("sort-arrow");var b=$("#"+f+"-header");b.append(a);grid.set("sort_key",d);go_page_one();update_grid()}function set_categorical_filter(b,d){var a=grid.get("categorical_filters")[b],c=grid.get("filters")[b];$("."+b+"-filter").each(function(){var h=$.trim($(this).text());var f=a[h];var g=f[b];if(g==d){$(this).empty();$(this).addClass("current-filter");$(this).append(h)}else{if(g==c){$(this).empty();var e=$("<a href='#'>"+h+"</a>");e.click(function(){set_categorical_filter(b,g)});$(this).removeClass("current-filter");$(this).append(e)}}});grid.add_filter(b,d);go_page_one();update_grid()}function set_page(a){$(".page-link").each(function(){var g=$(this).attr("id"),e=parseInt(g.split("-")[2],10),c=grid.get("cur_page"),f;if(e===a){f=$(this).children().text();$(this).empty();$(this).addClass("inactive-link");$(this).text(f)}else{if(e===c){f=$(this).text();$(this).empty();$(this).removeClass("inactive-link");var d=$("<a href='#'>"+f+"</a>");d.click(function(){set_page(e)});$(this).append(d)}}});var b=true;if(a==="all"){grid.set("cur_page",a);b=false}else{grid.set("cur_page",parseInt(a,10))}update_grid(b)}function do_operation(b,a){b=b.toLowerCase();grid.set({operation:b,item_ids:a});if(grid.can_async_op(b)){update_grid(true)}else{go_to_URL()}}function do_operation_from_href(c){var f=c.split("?");if(f.length>1){var a=f[1];var e=a.split("&");var b=null;var g=-1;for(var d=0;d<e.length;d++){if(e[d].indexOf("operation")!=-1){b=e[d].split("=")[1]}else{if(e[d].indexOf("id")!=-1){g=e[d].split("=")[1]}}}do_operation(b,g);return false}}function go_to_URL(){grid.set("async",false);window.location=grid.get("url_base")+"?"+$.param(grid.get_url_data())}function update_grid(a){if(!grid.get("async")){go_to_URL();return}var b=(grid.get("operation")?"POST":"GET");$(".loading-elt-overlay").show();$.ajax({type:b,url:grid.get("url_base"),data:grid.get_url_data(),error:function(){alert("Grid refresh failed")},success:function(d){var c=d.split("*****");$("#grid-table-body").html(c[0]);$("#grid-table-footer").html(c[1]);$("#grid-table-body").trigger("update");init_grid_elements();init_operation_buttons();make_popup_menus();$(".loading-elt-overlay").hide();var e=$.trim(c[2]);if(e!==""){$("#grid-message").html(e).show();setTimeout(function(){$("#grid-message").hide()},5000)}},complete:function(){grid.set({operation:undefined,item_ids:undefined})}})}function check_all_items(){var a=document.getElementById("check_all"),b=document.getElementsByTagName("input"),d=0,c;if(a.checked===true){for(c=0;c<b.length;c++){if(b[c].name.indexOf("id")!==-1){b[c].checked=true;d++}}}else{for(c=0;c<b.length;c++){if(b[c].name.indexOf("id")!==-1){b[c].checked=false}}}init_grid_elements()};
\ No newline at end of file
+jQuery.ajaxSettings.traditional=true;$(document).ready(function(){init_grid_elements();init_grid_controls();$("input[type=text]").each(function(){$(this).click(function(){$(this).select()}).keyup(function(){$(this).css("font-style","normal")})})});var Grid=Backbone.Model.extend({defaults:{url_base:"",async:false,async_ops:[],categorical_filters:[],filters:{},sort_key:null,show_item_checkboxes:false,cur_page:1,num_pages:1,operation:undefined,item_ids:undefined},can_async_op:function(a){return _.indexOf(this.attributes.async_ops,a)!==-1},add_filter:function(e,f,b){if(b){var c=this.attributes.filters[e],a;if(c===null||c===undefined){a=f}else{if(typeof(c)=="string"){if(c=="All"){a=f}else{var d=[];d[0]=c;d[1]=f;a=d}}else{a=c;a.push(f)}}this.attributes.filters[e]=a}else{this.attributes.filters[e]=f}},remove_filter:function(b,e){var a=this.attributes.filters[b];if(a===null||a===undefined){return false}var d=true;if(typeof(a)==="string"){if(a=="All"){d=false}else{delete this.attributes.filters[b]}}else{var c=_.indexOf(a,e);if(c!==-1){a.splice(c,1)}else{d=false}}return d},get_url_data:function(){var a={async:this.attributes.async,sort:this.attributes.sort_key,page:this.attributes.cur_page,show_item_checkboxes:this.attributes.show_item_checkboxes};if(this.attributes.operation){a.operation=this.attributes.operation}if(this.attributes.item_ids){a.id=this.attributes.item_ids}var b=this;_.each(_.keys(b.attributes.filters),function(c){a["f-"+c]=b.attributes.filters[c]});return a}});function init_operation_buttons(){$("input[name=operation]:submit").each(function(){$(this).click(function(){var b=$(this).val();var a=[];$("input[name=id]:checked").each(function(){a.push($(this).val())});do_operation(b,a)})})}function init_grid_controls(){init_operation_buttons();$(".submit-image").each(function(){$(this).mousedown(function(){$(this).addClass("gray-background")});$(this).mouseup(function(){$(this).removeClass("gray-background")})});$(".sort-link").each(function(){$(this).click(function(){set_sort_condition($(this).attr("sort_key"));return false})});$(".page-link > a").each(function(){$(this).click(function(){set_page($(this).attr("page_num"));return false})});$(".categorical-filter > a").each(function(){$(this).click(function(){set_categorical_filter($(this).attr("filter_key"),$(this).attr("filter_val"));return false})});$(".text-filter-form").each(function(){$(this).submit(function(){var d=$(this).attr("column_key");var c=$("#input-"+d+"-filter");var e=c.val();c.val("");add_filter_condition(d,e,true);return false})});var a=$("#input-tags-filter");if(a.length){a.autocomplete(history_tag_autocomplete_url,{selectFirst:false,autoFill:false,highlight:false,mustMatch:false})}var b=$("#input-name-filter");if(b.length){b.autocomplete(history_name_autocomplete_url,{selectFirst:false,autoFill:false,highlight:false,mustMatch:false})}$(".advanced-search-toggle").each(function(){$(this).click(function(){$("#standard-search").slideToggle("fast");$("#advanced-search").slideToggle("fast");return false})})}function init_grid_elements(){$(".grid").each(function(){var b=$(this).find("input.grid-row-select-checkbox");var a=$(this).find("span.grid-selected-count");var c=function(){a.text($(b).filter(":checked").length)};$(b).each(function(){$(this).change(c)});c()});$(".label").each(function(){var a=$(this).attr("href");if(a!==undefined&&a.indexOf("operation=")!=-1){$(this).click(function(){do_operation_from_href($(this).attr("href"));return false})}});$(".community_rating_star").rating({});make_popup_menus()}function go_page_one(){var a=grid.get("cur_page");if(a!==null&&a!==undefined&&a!=="all"){grid.set("cur_page",1)}}function add_filter_condition(c,e,a){if(e===""){return false}grid.add_filter(c,e,a);var d=$("<span>"+e+"<a href='javascript:void(0);'><span class='delete-search-icon' /></a></span>");d.addClass("text-filter-val");d.click(function(){grid.remove_filter(c,e);$(this).remove();go_page_one();update_grid()});var b=$("#"+c+"-filtering-criteria");b.append(d);go_page_one();update_grid()}function add_tag_to_grid_filter(c,b){var a=c+(b!==undefined&&b!==""?":"+b:"");$("#advanced-search").show("fast");add_filter_condition("tags",a,true)}function set_sort_condition(f){var e=grid.get("sort_key");var d=f;if(e.indexOf(f)!==-1){if(e.substring(0,1)!=="-"){d="-"+f}else{}}$(".sort-arrow").remove();var c=(d.substring(0,1)=="-")?"&uarr;":"&darr;";var a=$("<span>"+c+"</span>").addClass("sort-arrow");var b=$("#"+f+"-header");b.append(a);grid.set("sort_key",d);go_page_one();update_grid()}function set_categorical_filter(b,d){var a=grid.get("categorical_filters")[b],c=grid.get("filters")[b];$("."+b+"-filter").each(function(){var h=$.trim($(this).text());var f=a[h];var g=f[b];if(g==d){$(this).empty();$(this).addClass("current-filter");$(this).append(h)}else{if(g==c){$(this).empty();var e=$("<a href='#'>"+h+"</a>");e.click(function(){set_categorical_filter(b,g)});$(this).removeClass("current-filter");$(this).append(e)}}});grid.add_filter(b,d);go_page_one();update_grid()}function set_page(a){$(".page-link").each(function(){var g=$(this).attr("id"),e=parseInt(g.split("-")[2],10),c=grid.get("cur_page"),f;if(e===a){f=$(this).children().text();$(this).empty();$(this).addClass("inactive-link");$(this).text(f)}else{if(e===c){f=$(this).text();$(this).empty();$(this).removeClass("inactive-link");var d=$("<a href='#'>"+f+"</a>");d.click(function(){set_page(e)});$(this).append(d)}}});var b=true;if(a==="all"){grid.set("cur_page",a);b=false}else{grid.set("cur_page",parseInt(a,10))}update_grid(b)}function do_operation(b,a){b=b.toLowerCase();grid.set({operation:b,item_ids:a});if(grid.can_async_op(b)){update_grid(true)}else{go_to_URL()}}function do_operation_from_href(c){var f=c.split("?");if(f.length>1){var a=f[1];var e=a.split("&");var b=null;var g=-1;for(var d=0;d<e.length;d++){if(e[d].indexOf("operation")!=-1){b=e[d].split("=")[1]}else{if(e[d].indexOf("id")!=-1){g=e[d].split("=")[1]}}}do_operation(b,g);return false}}function go_to_URL(){grid.set("async",false);window.location=grid.get("url_base")+"?"+$.param(grid.get_url_data())}function update_grid(a){if(!grid.get("async")){go_to_URL();return}var b=(grid.get("operation")?"POST":"GET");$(".loading-elt-overlay").show();$.ajax({type:b,url:grid.get("url_base"),data:grid.get_url_data(),error:function(){alert("Grid refresh failed")},success:function(d){var c=d.split("*****");$("#grid-table-body").html(c[0]);$("#grid-table-footer").html(c[1]);$("#grid-table-body").trigger("update");init_grid_elements();init_operation_buttons();make_popup_menus();$(".loading-elt-overlay").hide();var e=$.trim(c[2]);if(e!==""){$("#grid-message").html(e).show();setTimeout(function(){$("#grid-message").hide()},5000)}},complete:function(){grid.set({operation:undefined,item_ids:undefined})}})}function check_all_items(){var a=document.getElementById("check_all"),b=document.getElementsByTagName("input"),d=0,c;if(a.checked===true){for(c=0;c<b.length;c++){if(b[c].name.indexOf("id")!==-1){b[c].checked=true;d++}}}else{for(c=0;c<b.length;c++){if(b[c].name.indexOf("id")!==-1){b[c].checked=false}}}init_grid_elements()};
\ No newline at end of file