function CheckForm(selectForm)
{
	if(document.selectForm.txtName.value=="")
	{
		alert("请填写昵称");
		document.selectForm.txtName.focus();
		return false;
	}
	if(document.selectForm.txtTitle.value=="")
	{
		alert("请填写留言主题");
		document.selectForm.txtTitle.focus();
		return false;
	}
	if(document.selectForm.txtContent.value=="")
	{
		alert("请填写留言内容");
		document.selectForm.txtContent.focus();
		return false;
	}
	
}