// JavaScript Document
function input(){
	if(form1.textfield1.value==""){
		alert ("请填写姓名");
		form1.textfield1.focus();
		return false;
	}
		if(form1.textfield2.value==""){
		alert ("请填写电话");
		form1.textfield2.focus();
		return false;
	}
		if(form1.textfield3.value==""){
		alert ("请填写邮政编码");
		form1.textfield3.focus();
		return false;
	}
		if(form1.textfield4.value==""){
		alert ("请填写产品");
		form1.textfield4.focus();
		return false;
	}
		if(form1.textfield5.value==""){
		alert ("请填写送货地址");
		form1.textfield5.focus();
		return false;
	}
		if(form1.textarea.value==""){
		alert ("请填写留言");
		form1.textarea.focus();
		return false;
	}
}