function GetRenZhengHtml(){ var str,id; id = GetRandomChars(); str = ""; str += ""; return str; } function ReIntiRenZheng(thisImg){ thisImg.src = "/renzcode/loading.bmp"; var renzid,id; renzid = document.getElementById("renzid"); id = GetRandomChars(); renzid.value = id; thisImg.src = "/renzcode/img.asp?id="+id; } function GetRandomChars(){ var id = Math.random().toString(16); var id1 = Math.random().toString(16); //alert(id + " " + id1); return id.substr(2,8)+id1.substr(2,8); } document.write ("