function changeCalendar(to) {
	
	var pars = 'to='+to;
	
	var updateCal =  new Ajax.Updater('calendar_1','/ajax/calendar.php', {
		method: 'get',
		evalScripts: true,
		parameters: pars,
		asynchronous:true
		}
	);

}

function clickDate(id,date,type,boxes) {

	if($('day_'+id).hasClassName('dateOn')||$('day_'+id).hasClassName('beforeAfterOn')) {
		
		if(type==0) document.getElementById('day_'+id).className = "dateOff";
		if(type==1) document.getElementById('day_'+id).className = "beforeAfterOff";
		document.getElementById('f_start_date').value="";
	
	} else {

		for (var x = 1; x <= boxes; x++) {
			if($('day_'+x).hasClassName('dateOn')) document.getElementById('day_'+x).className = "dateOff";
			if($('day_'+x).hasClassName('beforeAfterOn')) document.getElementById('day_'+x).className = "beforeAfterOff";
		}
		
		if(type==0) document.getElementById('day_'+id).className = "dateOn";
		if(type==1) document.getElementById('day_'+id).className = "beforeAfterOn";
		
		var pars = "date="+date;
	
		new Ajax.Request('/ajax/get_date.php',{
			asynchronous: true,
			postBody: pars,
			onComplete:function(request){
				if(request.responseText == '0') {
					alert("date error");
				} else {
					document.getElementById('f_start_date').value=request.responseText;
				}
			}
		});
	
	}
}

function overButton(d,id) {
	
	if(d==1) document.getElementById(id).className = 'buttonOver';
	if(d==0) document.getElementById(id).className = 'buttonOn';
	
}