Attaches a user-defined handler to any available event.
Parameters:
 evName - the event name;
 
 evHandler - a user-defined handler that will be called when event occurs.
 
 
var myEvent = myCalendar.attachEvent("onClick", function (){
    //event handler code
}) 
 
 Description:
 several handlers can be attached to one and the same event, and all of them will be executed. 
 
 event names are case-insensitive. 
 
See also: