//二级连动方式处理 

function $(id){ 
	return document.getElementById(id); 
} 
/** 
 *从数据源中绑定厂商列表数据 
 */ 
function bindVendorData(){ 
	for(i in arr){ 
		vendorName = arr[i][0]; 
		$('vendor').options[$('vendor').length] = new Option(vendorName,i); 
	} 
}
/** 
 * 从数据源中,选择指定的厂商的机型,并与机型列表框进行绑定 
 * vendorIndex为下厂商下拉列表的顺序号 
 */ 
function bindModelData(vendorIndex){ 
	if($('mb_model').options) $('mb_model').options.length=0; //先删除 
	if(!vendorIndex){ //未选择
		$('mb_model').options[$('mb_model').length] = new Option('please choose',''); 
		vendorEnName = modelFirstId = 'noselecten'; //未选择时的图片
	}
	else{
		vendorEnName = arr[vendorIndex][0]; //厂商id
		for(i in arr){ 
			if(i != vendorIndex) continue; 
			for(j in arr[i][2]){ 
				mId = arr[i][2][j][0]; 
				mName = arr[i][2][j][1]; 
				$('mb_model').options[$('mb_model').length] = new Option(mName,mId); 
			} 
		}
		modelFirstId = arr[vendorIndex][2][0][0];//当前厂商第一种机型的机型id
	}
	chVendorPhoto(vendorEnName);//更新厂商图片
	chModelPhoto(modelFirstId); //更新机型图片,并传递厂商id,便于检索机型信息
} 
/** 
 *更改版本信息 (根椐PKG_ID)
 */ 
function chPkgVerDesc(modelId){
	vSelectIndex = $('vendor').selectedIndex - 1;
	mSelectIndex = $('mb_model').selectedIndex;
	try{
		pkgId = arr[vSelectIndex][2][mSelectIndex][2];
		var verName = arrPKG[pkgId][0];
	}catch (e){
		var verName = "Download For Free";
	}
	$('verName').innerHTML = 'UC Browser '+verName;
} 
/** 
 *更改厂商的图片显示 (根椐厂商英文名称)
 */ 
function chVendorPhoto(vendorEnName){ 
	$('vendorPhoto').src = '/dlweb/images/vendor/'+vendorEnName+'.gif'; 
} 
/** 
 * 更改机型图片 
 */ 
function chModelPhoto(modelId){
	$('modelPhoto').src = '/dlweb/images/model/' + modelId  + '.gif'; 
	//更新版本信息
	chPkgVerDesc(modelId);
	//根椐机型id更改提示
	chDownTips(modelId);
	
} 
/** 
 * 更改下载方式显示 
 */ 
function chDownTips(mId){ 
	if(mId == 'noselect'){
		$('download_step2').style.display = 'none';
	}else{
		if ($('download_step2').style.display == 'none'){
			$('download_step2').style.display = 'block';
		}
	}
	vSelectIndex = $('vendor').selectedIndex - 1; //-1因为增加了提示的option
	mSelectIndex = $('mb_model').selectedIndex;
	if(vSelectIndex >= 0){
		vName = $('vendor').options[$('vendor').selectedIndex].text;
		mName = $('mb_model').options[$('mb_model').selectedIndex].text;
		//实现jad,jar文件下载
		var Java = arr[vSelectIndex][2][mSelectIndex][3];
		if(Java){
			$('download_pc').style.display = 'none';
			$('download_pc_jar_jad').style.display = 'block';
		}else{
			$('download_pc').style.display = 'block';
			$('download_pc_jar_jad').style.display = 'none';	
		}
		//实现安装演示文件连接
		/*
		var DemoPFID = arr[vSelectIndex][2][mSelectIndex][4];
		switch (DemoPFID){
			case 1:
				$('pcDemoUrl').style.display = $('pcDemoUrlJava').style.display = '';
				$('pcDemoUrl').href = $('pcDemoUrlJava').href = "symbian_setup.shtml";
				break;
			case 2:
				$('pcDemoUrl').style.display = $('pcDemoUrlJava').style.display = '';
				$('pcDemoUrl').href = $('pcDemoUrlJava').href = "wm_setup.shtml";
				break;
			default:
				$('pcDemoUrl').style.display = $('pcDemoUrlJava').style.display = 'none';
		}*/
		
		$('dlName').innerHTML = vName + '  ' + mName;
		//$('dlSms').innerHTML = "e" + mId;
		$('pcDlUrl').href = wapUrl+"a"+ mId+"/p/";
		$('pcDlUrl_jar').href = wapUrl+"a"+ mId+"/r/";
		$('pcDlUrl_jad').href = wapUrl+"a"+ mId+"/d/";
		$('dlUrl').innerHTML = wapUrl+"a"+ mId;
	}
}