function loadMonths(year){
	var class = "m" + year
	var myEls = getElementsByClass(class);
	for ( i=0;i<myEls.length;i++ ) {
	if (myEls[i].style.display=="none"){
		myEls[i].style.display="list-item"
	}
	else if (myEls[i].style.display=="list-item"){
		myEls[i].style.display="none"
	}
	}
}

function hideMonths(year){
	var class = "m" + year
	var myEls = getElementsByClass(class);
	for ( i=0;i<myEls.length;i++ ) {
	myEls[i].style.display="none"
	}
}


function getElementsByClass(searchClass,node,tag) {
	var classElements = new Array();
	if ( node == null )
		node = document;
	if ( tag == null )
		tag = '*';
	var els = node.getElementsByTagName(tag);
	var elsLen = els.length;
	var pattern = new RegExp("(^|\\s)"+searchClass+"(\\s|$)");
	for (i = 0, j = 0; i < elsLen; i++) {
		if ( pattern.test(els[i].className) ) {
			classElements[j] = els[i];
			j++;
		}
	}
	return classElements;
}