function printpage() {
window.print();
}
var shown = false;
function showdesc(idt) {
if (document.getElementById) {
if (document.getElementById("mem"+idt)) {
document.getElementById("mem"+idt).style.display = document.getElementById("mem"+idt).style.display == 'block' ? 'none' : 'block';
return false;
}
}
}
function show_hide_all () {
		if (document.getElementById ('descr_contr').innerHTML == 'показать описание') {
			document.getElementById ('descr_contr').innerHTML = 'спрятать описание';
			set_descr_status (1);
		}
		else {
			document.getElementById ('descr_contr').innerHTML = 'показать описание';
			set_descr_status (0);
		}

		for (var curr_id in id_list) {
			show_hide (id_list [curr_id]);
		}
	}
function set_descr_status(value) {
		var exdate=new Date();
		exdate.setDate(exdate.getDate()+14);
		document.cookie="descr="+escape(value)+';path=/';
	}
function show_hide (id) {
		var elem = document.getElementById (id);
		if (elem.style.display == '') {
			elem.style.display = 'none';
		}
		else {
			elem.style.display = '';
		}
	}

function cal(ch) {
wnd=window.open('calendar.php?ch='+ch,'calendar_'+ch,'width=180,height=300,top='+(screen.height/2-115)+', left='+(screen.width/2-60)+', scrollbars=no,resizable=no,status=no,toolbar=no,menubar=no');
}