function gethtml(){
	$.ajax({
	   type:"get",
	   url:"/localhost/order.html",
	   success:function(info){
			document.getElementById("orderjs").innerHTML=info;
	   }});
	$.ajax({
	   type:"get",
	   url:"/localhost/products.html",
	   success:function(info){
			document.getElementById("productsjs").innerHTML=info;
	   }});
	}
function checkform()
{
	if(document.order.name.value=='') 
		{
		alert("请填写你的姓名！");
		document.order.name.focus();
		return false;
		}
	if(document.order.tel.value=='') 
		{
		alert("电话不能为空！");
		document.order.tel.focus();
		return false;
		}
	if(document.order.addr.value=='') 
		{
		alert("地址不能为空！");
		document.order.addr.focus();
		return false;
		}
	document.order.submit()
}