if(!window.console) {
    window.console = {log : function(){}};
}


(function(){
  var cache = {};
  
  // John Resig
  this.tmpl = function tmpl(str, data){
    // Figure out if we're getting a template, or if we need to
    // load the template - and be sure to cache the result.
    var fn = !/\W/.test(str) ?
      cache[str] = cache[str] ||
        tmpl(document.getElementById(str).innerHTML) :
      
      // Generate a reusable function that will serve as a template
      // generator (and which will be cached).
      new Function("obj",
        "var p=[],print=function(){p.push.apply(p,arguments);};" +
        
        // Introduce the data as local variables using with(){}
        "with(obj){p.push('" +
        
        // Convert the template into pure JavaScript
        str
          .replace(/[\r\t\n]/g, " ")
          .split("<%").join("\t")
          .replace(/((^|%>)[^\t]*)'/g, "$1\r")
          .replace(/\t=(.*?)%>/g, "',$1,'")
          .split("\t").join("');")
          .split("%>").join("p.push('")
          .split("\r").join("\\'")
      + "');}return p.join('');");
    
    // Provide some basic currying to the user
    return data ? fn( data ) : fn;
  };
  
  // ========================================================
  // = remove dot replace comma to dot in string and convert to float number =
  // = Safari would return NaN if any non ascii character is inside (like euro currency) =
  // ========================================================
  this.to_num = function(num) {
    return(parseFloat(num.replace(/[^-0-9.,].*$/, '').replace('.', '').replace(/,/, '.')));
  };

  this.format_currency = function(num) {
    str = num.toFixed(2).replace('.', ',');
    str += " &euro;";
    return(str);
  };
  
})();