function action_confirm(message) {
	var action = confirm(message);
	if(action == true) {
		return true;
	}
	return false;
}

var $menuTimer;
var $lastMenuItem = null;

function showMenuBlock(inElement) {
	if(typeof(inElement) != 'object') {
		var inElem = document.getElementById(inElement);
	} else {
		var inElem = inElement;
	}
	if($lastMenuItem != null) {
		if($lastMenuItem != inElem) {
			$lastMenuItem.style.display = 'none';
		}
	}
	if($menuTimer != 'undefined') {
		clearTimeout($menuTimer);
	}
	if(typeof(inElem) == 'object' && inElem != null) {
		inElem.style.display = 'block';
		$lastMenuItem = inElem;
	}
}

function toggleHide(inElement) {
	if(typeof(inElement) != 'object') {
		var inElem = document.getElementById(inElement);
	} else {
		var inElem = inElement;
	}
	$menuTimer = setTimeout("hideMenuBlock('" + inElement + "')", 200);
}

function hideMenuBlock(inElement) {
	if(typeof(inElement) != 'object') {
		var inElem = document.getElementById(inElement);
	} else {
		var inElem = inElement;
	}
	if(typeof(inElem) == 'object' && inElem != null) {
		inElem.style.display = 'none';
	}
}

function getIEVersionNumber() {
	var ua = navigator.userAgent;
	var MSIEOffset = ua.indexOf('MSIE ');
	if(MSIEOffset == -1) {
		return 0;
	} else {
		return parseFloat(ua.substring(MSIEOffset + 5, ua.indexOf(';', MSIEOffset)));
	}
}

/*
function getWindowSize() {
	var winH = 460;
	winH = document.getElementById('container').offsetHeight;
	var version = getIEVersionNumber();
	var newHeight = winH;
	if(version) {
		newHeight = newHeight - 14;
	}
	if(newHeight < 10) {
		newHeight = 10;
	}
	var elem = document.getElementById('left_shadow');
	elem.style.height =  newHeight + 'px';
	var elem = document.getElementById('right_shadow');
	elem.style.height =  newHeight + 'px';
}
*/