$CAL_MAIN_CLASSNAME = 'Calendar';
$CAL_GLOBALOBJECT = "Calendars";
window[$CAL_GLOBALOBJECT] = [];

function MXW_Calendar (boundTo) {
   if (is.safari && is.version < 1.4) {
      return;
   }
   this.input = document.getElementById(boundTo);

   var oldmask = WDG_getAttributeNS(this.input, 'mask');
   var mask = oldmask.replace(/ t$/, ' tt');
   WDG_setAttributeNS(this.input, 'mask', mask);

   this.readonly = (WDG_getAttributeNS(this.input, 'readonly')+'') == 'true';
   if (this.readonly) {
      this.input.readOnly = true;
   }
   //Calendar does not work on IE 5 on MAc, so we  have only SmartDate, and add spinner
   if (is.ie && is.mac) {
      WDG_setAttributeNS(this.input, 'spinner', 'yes');
      this.sd = new MXW_SmartDate(boundTo);
      return this;
   }
   this.sd = new MXW_SmartDate(boundTo);

   var paramObj = {};
   paramObj.inputField = boundTo;
   paramObj.button = boundTo + "_btn";
   paramObj.ifFormat = mask2calendar(this.sd.mask);
   paramObj.daFormat = mask2calendar(this.sd.mask);
   paramObj.label = WDG_Messages["calendar_button"];
   paramObj.firstDay = (WDG_getAttributeNS(this.input, 'mondayfirst') == 'true') ? 1 : 0 ;
   paramObj.singleClick = WDG_getAttributeNS(this.input, 'singleclick') == 'true';
   if (/(h|H|i|I|s|t)/.test(mask)) {
      paramObj.showsTime = true;
      paramObj.timeFormat = (/(t)/.test(mask) ? "12" : "24");
   }

   //WDG_setAttributeNS(this.input, 'mask', mask2calendar(paramObj.ifFormat));

   var btnAttributes = {
        "type":"image",
        "src":"/assets/icon_calendar.gif",
        "style":"vertical-align:bottom",
        "name":boundTo+"_btn",
        "id":boundTo+"_btn",
        "value":paramObj.label
    };

   var btnSrcAttributes = WDG_getAttributeNS(this.input, 'suppattrs')+'';
   if (btnSrcAttributes = btnSrcAttributes.match(/[^\s]+='[^']*'/gi)) {
      for (var i=0; i<btnSrcAttributes.length; i++) {
         var oAttr = btnSrcAttributes.match(/([^\s]+)='([^']*)'/i);
         if(oAttr) {
            btnAttributes[oAttr[1]] = oAttr[2];
         }
      }
   }
   this.button = utility.dom.createElement("input", btnAttributes);
   utility.dom.insertAfter(this.button, this.input);

   Calendar.setup(paramObj);
   window[$CAL_GLOBALOBJECT][boundTo] = this;
}