use jquery unique

public/js/legacy/utils/datatype.js

@@ -272,13 +272,3 @@ function roundNumber(num, dec) {
 	var result = Math.round(num*Math.pow(10,dec))/Math.pow(10,dec);
 	return result;
 }
-
-function filter_unique(list) {
-	var a = [], l = list.length;
-	for(var i=0; i<l; i++) {
-		for(var j=i+1; j<l; j++)
-			if (list[i] === list[j]) j = ++i;
-		a.push(list[i]);
-	}
-	return a;
-};

public/js/legacy/widgets/form/print_format.js

@@ -374,7 +374,7 @@ $.extend(_p, {
 		// replace relative links by absolute links
 		var prefix = window.location.href.split("app.html")[0]
 		// find unique matches
-		var matches = filter_unique(finished.match(/src=['"]([^'"]*)['"]/g) || []);
+		var matches = $.unique(finished.match(/src=['"]([^'"]*)['"]/g) || []);
 		
 		$.each(matches, function(i, v) {
 			if(v.substr(0,4)=="src=") {

public/js/wn/misc/utils.js

@@ -78,10 +78,4 @@ wn.utils = {
 			me.footnote_area = null;
 		}
 	},
-};
-
-var unique = function(a) {
-	return a.filter(function(item,i,a){
-    	return i==a.indexOf(item);
-	});
-}
+};

public/js/wn/model/workflow.js

@@ -92,7 +92,7 @@ wn.workflow = {
 		return false;
 	},
 	get_update_fields: function(doctype) {
-		var update_fields = unique($.map(wn.model.get("Workflow Document State", 
+		var update_fields = $.unique($.map(wn.model.get("Workflow Document State", 
 			{parent:wn.workflow.workflows[doctype].name}), function(d) {
 				return d.update_field;
 			}));