function calendarToggle(objName)
{
	var o = document.getElementById(objName + '_calendar');
	if (o.style.display == '')
	{
		o.style.display='none';
	}
	else
	{
		o.style.display='';
	}
}
function calendar(objName)
{
	document.write("<div id='" + objName + "_calendar' style='position:absolute;z-index:9;width:192;float:left;display:none'>qwewqe</div>");
}
function dosearch()
{
	var f = document.forms[0];
	var k = f.keyword.value;
	var u = f.name.value;
	//var c = f.searchcontent.checked;
	var t1 = f.time1.value;
	var t2 = f.time2.value;
	var obj = f.boardid;
	var b = obj.options[obj.selectedIndex].value;
	if (k == '' && u == '' && (t1 == '' || t2 == ''))
	{
		alert('标题或内容关键字、用户名、时间范围至少选择一项');
		f.keyword.focus();
		return false;
	}
	
	else if ((t1 != '' && t2 == '') || (t1 == '' && t2 != ''))
	{
		alert("若要时间范围必须将开始时间和结束时间都填写");
		return false;
	}	
}