Currency detection update form Nuno Gomes - make addition of extra symbols easier - add euro

type-detection/currency.js

@@ -5,34 +5,30 @@
  * in conjunction with the currency sorting plug-in.
  *  @name Currency
  *  @anchor currency
- *  @author <a href="http://sprymedia.co.uk">Allan Jardine</a>
+ *  @author <a href="http://sprymedia.co.uk">Allan Jardine</a>, Nuno Gomes
  */
 
 jQuery.fn.dataTableExt.aTypes.unshift(
-	function ( sData )  
+   function ( sData )
 	{
 		var sValidChars = "0123456789.-,";
-		var Char;  
+		var sValidSymbols = "$£€";
+		var c;
+		var symbolMatch = false;
 
-		if ( typeof sData !== 'string' ) {
+		if ( sValidSymbols.indexOf( sData.charAt(0) ) === -1 ) {
 			return null;
 		}
 
-		/* Check the numeric part */  
-		for ( i=1 ; i<sData.length ; i++ )   
-		{   
-			Char = sData.charAt(i);   
-			if (sValidChars.indexOf(Char) == -1)   
-			{  
+		for ( i=1 ; i<sData.length ; i++ ) {
+			// check for valid chars
+			c = sData.charAt(i);
+			if (sValidChars.indexOf(c) === -1) {
 				return null;
 			}
 		}
 
-		/* Check prefixed by currency */  
-		if ( sData.charAt(0) == '$' || sData.charAt(0) == '£' )  
-		{  
-			return 'currency';  
-		}  
-		return null;  
+		// currency detected
+		return 'currency';
 	}
 );