function double_confirm(message_1, message_2)
{
   var check_1 = confirm(message_1);
   if (check_1)
   {
      var check_2 = confirm(message_2);
      if (check_2)
      {
         return true;
      }
      else return false;
   }
   else return false;
}

function addDatePicker(to){
	var dateFormat = "NNN d y";

    $(to).change(
        function(){
	        // check the date format
	        rawDate = parseDate(this.value);
	        
			if(rawDate==null){
		        if (this.value.length!=0){
			        alert("Date string does not match any recognized formats. Try YYYY-MM-DD");
			        this.focus();
		        }
	        }else{
				var newDate = formatDate(rawDate,dateFormat);
				this.value = newDate;
	        }			
        }
    );
    // Call the JQuery Calendar
    $(to).datepicker(
	    { 
	        changeMonth: true,
	        changeYear: true,
	        constrainInput: true,
	        //showOn: 'both', 
	        //buttonImage: 'images/calendar.png',
	        //buttonImageOnly: true
	    }
	);
    
    //$(to).attachDatepicker({buttonImageOnly:true,showOn:'button',buttonImage:'images/calendar.png'});
}