function open_eedition(url)
{
    var features = "width=910,height=875,resizable=1,toolbar=0,scrollbars=1";

    wnd = window.open(url, 'Task_window', features);
    wnd.focus();
}

function changeImages() {
	if (document.images) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

function open_task_win(url)
{
	var features = "width=640,height=480,resizable=0,toolbar=0,scrollbars=1";

	wnd = window.open(url, 'Task_window', features);
	wnd.focus();
}