document.write("<a href='javascript:void(0)' onclick='sendhp()'><img src='/images/hp.png'  width='16' height='16' border='0' align='absmiddle'></a>好评率：<span id='hpp'>100.00%</span> <a href='javascript:void(0)' onclick='sendcp()'><img src='/images/cp.png' width='20' height='17' border='0' align='absmiddle'></a>差评率：<span id='cpp'>-</span>");

function sendhp()
{
      $.get("http://www.e-huaxue.com/sendgoodbad.asp", 
	        { id: "30308916", gb: "g" },
			function(data){
  					viewpp(data);
			});
}

function viewpp(data)
{
    if(data!="err")
	{
		var dpsj = data.split(",");
		var good = parseInt(dpsj[0]);
		var bad = parseInt(dpsj[1]);
		$("#hpp").html(GetPercent(good,good+bad));
		$("#cpp").html(GetPercent(bad,good+bad));
	}
	else
	{
		alert("只有下载此资料的会员可以发表评价！");
	}
}

function GetPercent(num, total) { 
	num = parseFloat(num); 
	total = parseFloat(total); 
	if (isNaN(num) || isNaN(total)) { 
		return "-"; 
	} 
	return total <= 0 ? "-" : (Math.round(num / total * 10000) / 100.00 + "%"); 
} 

function sendcp()
{
      $.get("http://www.e-huaxue.com/sendgoodbad.asp", 
	        { id: "30308916", gb: "b" },
			function(data){
  					viewpp(data);
			});
}