function addLoadEvent(func) {
	var oldonload = window.onload;
	if (typeof window.onload != 'function') {
		window.onload = func;
	} else {
		window.onload = function() {
			if (oldonload) {
				oldonload();
			}
			func();
		}
	}
}

function closeDetail(elementId) {
	document.getElementById(elementId + '_Open').style.display = 'none';
	document.getElementById(elementId + '_Closed').style.display = 'block';
}

function openDetail(elementId) {
	document.getElementById(elementId + '_Open').style.display = 'block';
	document.getElementById(elementId + '_Closed').style.display = 'none';
}