function __init_calendar_input(){
	var inputs = document.getElementsByTagName("input");
	for (var i=0; i<inputs.length; i++){
		if (inputs[i].getAttribute("control") == "calendar"){
			var reference = (inputs[i].getAttribute("reference") == null ? "btn"+inputs[i].name : inputs[i].getAttribute("reference"));
			Calendar.setup({inputField:inputs[i].name,button:reference});
		};
	};
};
	
if (window.attachEvent != null)window.attachEvent("onload",__init_calendar_input);
if (window.addEventListener != null)window.addEventListener("load",__init_calendar_input,false);