var obj = new Object();
obj.doSearch = function () {
	var page = '1';
	var wd = '';
	var sort = 'c';
	var event = '';
	switch (arguments.length) {
		case 4: page	= arguments[3];
		case 3: wd		= arguments[2];
		case 2: sort	= arguments[1];
		case 1: event	= arguments[0];
	}
	document.f1.page.value	= page;
	document.f1.wd.value	= wd;
	document.f1.sort.value	= sort;
	document.f1.action		= '/e/'+event+'/';
	document.f1.submit();
}