var audio =document.createElement("AUDIO");
var publicObj= "";//全局点击对象
function playMP3(obj){
	var url = $jq(obj).attr("url");
      var randNum = generateMixed(12)+"";
	if(audio.paused&&$jq(obj).attr("class")=="icon_play"){
		publicObj = obj;
        audio.src=url+"?msisdn="+randNum;
		audio.play();
		$jq(obj).attr("class","icon_stop");
	}else if (!audio.paused&&$jq(obj).attr("class")=="icon_play"){
		audio.pause();
		audio.src=url;
		audio.play();
		$jq(publicObj).attr("class","icon_play");
		$jq(obj).attr("class","icon_stop");
		publicObj = obj;
	}else{
		audio.pause();
		$jq(obj).attr("class","icon_play");
	}
}

function RndNum(n){
var rnd="";
for(var i=0;i<n;i++)
rnd+=Math.floor(Math.random()*10);
return rnd;
}

var chars = ['0','1','2','3','4','5','6','7','8','9','a','b','c','d','e','f','g','h','i','j','k','m','n','p','q','r','s','t','u','v','w','x','y','z'];

function generateMixed(n) {
     var res = "";
     for(var i = 0; i < n ; i ++) {
         var id = Math.ceil(Math.random()*35);
         res += chars[id];
     }
     return res;
}