关于三级级联问题
<html>
<head>
<script language=javascript>
var arr="中金所|上交所|大交所|郑交所";
var arr0 = "期指"; //这些数据可以从数据库中取得
var arr1 = "沪锌|沪铜|燃油|线材|沪铝|螺纹|橡胶|黄金";
var arr2 = "豆一|塑料|豆二|豆油|豆粕|玉米|棕榈";
var arr3 = "棉花|早籼|硬麦|强麦|白糖|菜籽";
var arr00 = "1007|1008|1009|1012|隔季|下月|下季|当月";
var arr10 = "1007|1008|1009|1010|1011|1012|1101|1102|1103|1104|1105";
var arr11 = "1007|1008|1009|1010|1011|1012|1101|1102|1103|1104|1105";
var arr12 = "1008|1009|1010|1011|1012|1101|1102|1103|1104|1105|1106";
var arr13 = "1008|1009|1010|1011|1012|1101|1102|1103|1104|1105";
var arr14 = "1007|1008|1009|1010|1011|1012|1101|1102|1103|1104|1105";
var arr15 = "1007|1008|1009|1010|1011|1012|1101|1102|1103|1104|1105";
var arr16 = "1007|1008|1009|1010|1011|1101|1103|1104|1105";
var arr17 = "1008|1009|1010|1011|1012|1101|1102|1103|1104|1105";
var arr20 = "1007|1009|1011|1101|1103|1105|1107|1109|1111";
var arr21 = "1007|1008|1009|1010|1011|1012|1101|1102|1103|1104|1105";
var arr22 = "1007|1009|1011|1101|1103|1105";
var arr23 = "1007|1008|1009|1011|1012|1101|1103|1105";
var arr24 = "1007|1008|1009|1011|1012|1101|1103|1105";
var arr25 = "1007|1009|1011|1101|1103|1105";
var arr26 = "1007|1008|1009|1010|1011|1012|1101|1102|1103|1104|1105";
var arr30 = "007|009|011|101|103|105";
var arr31 = "007|009|011|101|103|105";
var arr32 = "006|007|009|011|012|101|102|103|104|105";
var arr33 = "007|009|011|101|103|105|107|109|111";
var arr34 = "007|009|011|101|103|105|107|109|111";
var arr35 = "007|009|011|101|103|105";
//alert(eval("arr"+2+1));
function AddOptions(dltObj,arrObj)
{
dltObj.innerHTML="";
var arrLocation=arrObj.split("|");
for(var i=0;i<arrLocation.length;i++){
var opt=document.createElement("OPTION");
dltObj.add(opt);
opt.value=i;
opt.text=arrLocation[i];
}
}
function init(){
AddOptions(dltProvince,eval('arr'));
AddOptions(dltCity,eval('arr'+dltProvince.selectedIndex));
AddOptions(dltArea, eval('arr' + dltProvince.selectedIndex + dltCity.selectedIndex));
}
</script>
</head>
<body onLoad="init();">
<table width="300" cellpading="0" cellspacing="0" border="0">
<tr>
<td width="100">
<select id="dltProvince" onchange="AddOptions(dltCity,eval('arr'+dltProvince.selectedIndex));AddOptions(dltArea,eval('arr'+dltProvince.selectedIndex+dltCity.selectedIndex));" style="width:100%"></select>
</td>
<td width="100">
<select id="dltCity" onchange="AddOptions(dltArea,eval('arr'+dltProvince.selectedIndex+dltCity.selectedIndex));" style="width:100%">
</select>
</td>
<td width="100">
<select id="dltArea" style="width:100%"></select>
</td>
</tr>
</table>
</body>
</html>
在IE上能显示 但是在火狐上不能显示 是什么问题 哪位高手帮忙解决下