function switchMenu(obj) {
var el = document.getElementById(obj);
var head = document.getElementById('collapseBox_head');
var closer = document.getElementById('collapseBox_head_end');
var contentCloser = document.getElementById('collapseBox_content_end');
if ( el.style.display != 'none' ) {
el.style.display = 'none';
head.className = 'collapseBox_head';
closer.style.display = '';
contentCloser.style.display = 'none';
}
else {
el.style.display = 'block';
head.className = 'collapseBox_headOpen';
closer.style.display = 'none';
contentCloser.style.display = 'block';
}
}

function $() {
var elements = new Array();
for (var i = 0; i < arguments.length; i++) {
var element = arguments[i];
if (typeof element == 'string')
element = document.getElementById(element);
if (arguments.length == 1)
return element;
elements.push(element);
}
return elements;
}

function collapseAll(objs) {
var i;
for (i=0;i<objs.length;i++ ) {
objs[i].style.display = 'none';
}
}
function pageLoad() {
collapseAll($('myDiv1','myDiv2','myDiv3'));
}
//addEvent(window,'load',pageLoad);