// JavaScript Document

function calendar_shimauchi(calendar_id) {

	if(document.getElementById){
		if(calendar_id == "this-month-shimauchi"){
			document.getElementById("next-month-shimauchi").style.display = "none";
			document.getElementById("this-month-shimauchi").style.display = "inline";
		}else{
			document.getElementById("this-month-shimauchi").style.display = "none";
			document.getElementById("next-month-shimauchi").style.display = "inline";
		}
    }
}

function calendar_mwing(calendar_id) {

	if(document.getElementById){
		if(calendar_id == "this-month-mwing"){
			document.getElementById("next-month-mwing").style.display = "none";
			document.getElementById("this-month-mwing").style.display = "inline";
		}else{
			document.getElementById("this-month-mwing").style.display = "none";
			document.getElementById("next-month-mwing").style.display = "inline";
		}
    }
}

function calendar_tsukama(calendar_id) {

	if(document.getElementById){
		if(calendar_id == "this-month-tsukama"){
			document.getElementById("next-month-tsukama").style.display = "none";
			document.getElementById("this-month-tsukama").style.display = "inline";
		}else{
			document.getElementById("this-month-tsukama").style.display = "none";
			document.getElementById("next-month-tsukama").style.display = "inline";
		}
    }
}