function CheckUserForm()
{
	if (document.form1.keywords.value.length == 0) {
		alert("请输入实验号.");
		document.form1.keywords.focus();
		return false;
	}	
	if (document.form1.keywords1.value.length == 0) {
		alert("请输入总质量.");
		document.form1.keywords1.focus();
		return false;
	}
	return true;
}

function CheckUserForm1()
{
	if (document.feedback.a1.value.length == 0) {
		alert("您没输入公司名称.");
		document.feedback.a1.focus();
		return false;
	}	
	if (document.feedback.a2.value.length == 0) {
		alert("您没输入联系人.");
		document.feedback.a2.focus();
		return false;
	}
	if (document.feedback.a3.value.length == 0) {
		alert("您没输入联系电话.");
		document.feedback.a3.focus();
		return false;
	}
	if (document.feedback.a6.value.length == 0) {
		alert("您没输入标题.");
		document.feedback.a6.focus();
		return false;
	}
	if (document.feedback.a7.value.length == 0) {
		alert("您没输入留言内容.");
		document.feedback.a7.focus();
		return false;
	}
	return true;
}