how to get the images array date wise

I want to get the images array date wise, any one please help me.

e.g 14.04.2015i1.jpg and 14.04.215i2.jpg and 14.04.2015i3.jpg on 14.04.2015 and so on.

Note I am using calendar. Please set the following param for me as stated above.

/* Pop-up the date picker in a "dialog" box.  
* @param  input element - ignored 
* @param  onSelect  function - the function to call when a date is selected
* @param  settings  object - update the dialog date picker instance's settings (anonymous object) 
* @param  pos int[2] - coordinates for the dialog's position within the screen or    or event - with x/y coordinates or      *                  leave empty for default (screen centre)     
* @return the manager object     
*/  _dialogDatepicker: function(input, date, onSelect, settings, pos)  {        
var id, browserWidth, browserHeight, scrollX, scrollY, inst = this._dialogInst; 
// internal instance