function Cookie(path) {

	this.path = path;

	this.set = function(name, value) {
		document.cookie = name + '=' + escape(value) + '; path=' + this.path;
	}

	this.get = function(name) {
		var cookie = document.cookie.split('; ');
		for (var i = 0; i < cookie.length; i++) {
			var crumb = cookie[i].split('=');
			if (name == crumb[0])
			return unescape(crumb[1]);
		}
		return null;
	}

	this.remove = function(name) {
		document.cookie = name + '=null; expires=Fri, 31 Dec 1999 23:59:59 GMT;';
	}

}

function doShowHidePanel(id) {
	if (document.getElementById) {
		var object = document.getElementById(id);
	} else if (document.all) {
		var object = document.all[id];
	}
	if (object) {
		var cookie = new Cookie('/');
		var trigger_img = document.images['trigger_' + id];
		if ('none' == object.style.display) {
			object.style.display = 'block';
			trigger_img.src = 'images/btn_expand.gif';
			cookie.set(id, '1', null);
		} else {
			object.style.display = 'none';
			trigger_img.src = 'images/btn_collapse.gif';
			cookie.set(id, '0', null);
		}
	}
}

function doShowHideObject(id) {
	if (document.getElementById) {
		var object = document.getElementById(id);
	} else if (document.all) {
		var object = document.all[id];
	}
	if (object) {
		if ('none' == object.style.display) {
			object.style.display = 'block';
		} else {
			object.style.display = 'none';
		}
	}
}

function doShowChildren(id) {
	if (document.getElementById) {
		var object = document.getElementById(id);
	} else if (document.all) {
		var object = document.all[id];
	}
	doShowChildrenHelper(object);
}

function doShowChildrenHelper(object) {
	if (object) {
		if (object.style && 'none' == object.style.display) {
			object.style.display = 'block';
		}
		for (var i = 0; i < object.children.length; i++) {
			doShowChildrenHelper(object.children[i]);
		}
	}
}

function doHideChildren(id) {
	if (document.getElementById) {
		var object = document.getElementById(id);
	} else if (document.all) {
		var object = document.all[id];
	}
	doHideChildrenHelper(object);
}

function doHideChildrenHelper(object) {
	if (object) {
		if (object.style && 'block' == object.style.display) {
			object.style.display = 'none';
		}
		for (var i = 0; i < object.children.length; i++) {
			doHideChildrenHelper(object.children[i]);
		}
	}
}

function popUpWindow(url, target, width, height, scrolling) {
	var left, top;
	if (typeof(scrolling)=='undefined')
		scrolling = 1;
	if (typeof(screen)=='undefined') {
		left = top = 100;
	} else {
		left = parseInt((screen.width - width) / 4);
		if (left<0) {
			left = 0;
			width = screen.width;
		}
		top = parseInt((screen.height - height) / 2);
		if (top<0) {
			top = 0;
			height = screen.height;
		}
	}
	if (scrolling)
		window.open(url, target, "width="+width+",height="+height+",scrollbars,left="+left+",top="+top).focus();
	else
		window.open(url, target, "width="+width+",height="+height+",left="+left+",top="+top).focus();
	return false;
}

function popUpWindowXY(url, target, left, top, width, height) {
	window.open(url, target, "width="+width+",height="+height+",scrollbars,left="+left+",top="+top).focus();
	return false;
}