function showContent(contId) {
	var A = window.screen.availWidth * 0.5;
	var B = window.screen.availHeight * 0.5;
	var C = (window.screen.availWidth - A) / 2;
	var D = (window.screen.availHeight - A) / 2;
	window.open("/common/showContent.jsp?contId=" + contId, "_blank", "toolbar=no,location=no,status=yes,menubar=no,scrollbars=yes,resizable=yes,width=" + A + ",height=" + B + ",left=" + C + ",top=" + D);
}