arg = argv[match[1]];

                    }

                    else { // positional argument (implicit)

                        arg = argv[cursor++];

                    }

                    if (/[^s]/.test(match[8]) && (get_type(arg) != 'number')) {

                        throw(sprintf('[sprintf] expecting number but found %s', get_type(arg)));

                    }

                    switch (match[8]) {

                        case 'b': arg = arg.toString(2); break;

                        case 'c': arg = String.fromCharCode(arg); break;

                        case 'd': arg = parseInt(arg, 10); break;

                        case 'e': arg = match[7] ? arg.toExponential(match[7]) : arg.toExponential(); break;

                        case 'f': arg = match[7] ? parseFloat(arg).toFixed(match[7]) : parseFloat(arg); break;

                        case 'o': arg = arg.toString(8); break;

                        case 's': arg = ((arg = String(arg)) && match[7] ? arg.substring(0, match[7]) : arg); break;

                        case 'u': arg = Math.abs(arg); break;

                        case 'x': arg = arg.toString(16); break;

                        case 'X': arg = arg.toString(16).toUpperCase(); break;

                    }

                    arg = (/[def]/.test(match[8]) && match[3] && arg >= 0 ? '+'+ arg : arg);

                    pad_character = match[4] ? match[4] == '0' ? '0' : match[4].charAt(1) : ' ';

                    pad_length = match[6] - String(arg).length;

                    pad = match[6] ? str_repeat(pad_character, pad_length) : '';

                    output.push(match[5] ? arg + pad : pad + arg);

                }

            }

            return output.join('');

        };

        str_format.cache = {};

        str_format.parse = function(fmt) {

            var _fmt = fmt, match = [], parse_tree = [], arg_names = 0;

            while (_fmt) {

                if ((match = /^[^\x25]+/.exec(_fmt)) !== null) {

                    parse_tree.push(match[0]);

                }

                else if ((match = /^\x25{2}/.exec(_fmt)) !== null) {

                    parse_tree.push('%');

                }

                else if ((match = /^\x25(?:([1-9]\d*)\$|\(([^\)]+)\))?(\+)?(0|'[^$])?(-)?(\d+)?(?:\.(\d+))?([b-fosuxX])/.exec(_fmt)) !== null) {

                    if (match[2]) {

                        arg_names |= 1;

                        var field_list = [], replacement_field = match[2], field_match = [];

                        if ((field_match = /^([a-z_][a-z_\d]*)/i.exec(replacement_field)) !== null) {

                            field_list.push(field_match[1]);

                            while ((replacement_field = replacement_field.substring(field_match[0].length)) !== '') {

                                if ((field_match = /^\.([a-z_][a-z_\d]*)/i.exec(replacement_field)) !== null) {

                                    field_list.push(field_match[1]);

                                }

                                else if ((field_match = /^\[(\d+)\]/.exec(replacement_field)) !== null) {

                                    field_list.push(field_match[1]);

                                }

                                else {

                                    throw('[sprintf] huh?');

                                }

                            }

                        }

                        else {

                            throw('[sprintf] huh?');

                        }

                        match[2] = field_list;

                    }

                    else {

                        arg_names |= 2;

                    }

                    if (arg_names === 3) {

                        throw('[sprintf] mixing positional and named placeholders is not (yet) supported');

                    }

                    parse_tree.push(match);

                }

                else {

                    throw('[sprintf] huh?');

                }

                _fmt = _fmt.substring(match[0].length);

            }

            return parse_tree;

        };

        return str_format;

    })();

    var vsprintf = function(fmt, argv) {

        argv.unshift(fmt);

        return sprintf.apply(null, argv);

    };

    return {

        'url': function(route_name, params) {

            var result = route_name;

            if (typeof(params) != 'object'){

            	params = {};

            }

            if (matchlist.hasOwnProperty(route_name)) {

                var route = matchlist[route_name];

                for(var i=0; i < route[1].length; i++) {

                   if (!params.hasOwnProperty(route[1][i]))

                        throw new Error(route[1][i] + ' missing in "' + route_name + '" route generation');

                }

                result = sprintf(route[0], params);

            }

            return result;

        },

    	'register': function(route_name, route_tmpl, req_params) {

    		if (typeof(req_params) != 'object') {

    			req_params = [];

    		}

    		//fix escape

    		route_tmpl = unescape(route_tmpl);

    		keys = [];

    		for (o in req_params){

    			keys.push(req_params[o])

    		}

    		matchlist[route_name] = [

    		    route_tmpl,

    		    keys

    		]

    	},

    	'_routes': function(){

    		return matchlist;

    	}

    }

})();

/**

 * GLOBAL YUI Shortcuts

 */

var YUC = YAHOO.util.Connect;

var YUD = YAHOO.util.Dom;

var YUE = YAHOO.util.Event;

var YUQ = YAHOO.util.Selector.query;

// defines if push state is enabled for this browser ?

var push_state_enabled = Boolean(

		window.history && window.history.pushState && window.history.replaceState

		&& !(   /* disable for versions of iOS before version 4.3 (8F190) */

				(/ Mobile\/([1-7][a-z]|(8([abcde]|f(1[0-8]))))/i).test(navigator.userAgent)

				/* disable for the mercury iOS browser, or at least older versions of the webkit engine */

				|| (/AppleWebKit\/5([0-2]|3[0-2])/i).test(navigator.userAgent)

		)

);

var _run_callbacks = function(callbacks){

	if (callbacks !== undefined){

		var _l = callbacks.length;

	    for (var i=0;i<_l;i++){

	    	var func = callbacks[i];

	    	if(typeof(func)=='function'){

	            try{

	          	    func();

	            }catch (err){};            		

	    	}

	    }

	}		

}

/**

 * Partial Ajax Implementation

 * 

 * @param url: defines url to make partial request

 * @param container: defines id of container to input partial result

 * @param s_call: success callback function that takes o as arg

 *  o.tId

 *  o.status

 *  o.statusText

 *  o.getResponseHeader[ ]

 *  o.getAllResponseHeaders

 *  o.responseText

 *  o.responseXML

 *  o.argument

 * @param f_call: failure callback

 * @param args arguments 

 */

function ypjax(url,container,s_call,f_call,args){

	var method='GET';

	if(args===undefined){

		args=null;

	}

	// Set special header for partial ajax == HTTP_X_PARTIAL_XHR

	YUC.initHeader('X-PARTIAL-XHR',true);

	// wrapper of passed callback

	var s_wrapper = (function(o){

		return function(o){

			YUD.get(container).innerHTML=o.responseText;

			YUD.setStyle(container,'opacity','1.0');

    		//execute the given original callback

    		if (s_call !== undefined){

    			s_call(o);

    		}

		}

	})()