function getteachsource(tyid)

{
   var grade=$('selectgrade').value;
   var subject=$('selectsubject').value;
   if (grade>0 && subject>0){
	   var para="grade="+grade+"&subject="+subject+"&tyid="+tyid+"&rnd="+new Date().getTime();
	   var mytest = new Ajax.Request("/lxcy/ajax_getteachsource.asp?"+para,
	   {
		  method : 'get', onComplete : showteachsource
	   }

	   );
   }
}

function showteachsource(req)

{
   $('teachsource').innerHTML = req.responseText;

}

function getsubject()

{
   var grade=$('selectgrade').value;
   if (grade>0){

	   var para="grade="+grade+"&rnd="+new Date().getTime();;

	   var mytest = new Ajax.Request("/lxcy/ajax_getsubject.asp?"+para,
	   {

		  method : 'get', onComplete : showsubject

	   }

	   );

   }

}

function showsubject(req)

{

   $('subject').innerHTML = req.responseText;
   	if (selsubjectid>0){

	for(ig=0;ig<$("selectsubject").options.length;ig++){

		if($("selectsubject").options[ig].value==selsubjectid){

			$("selectsubject").options[ig].selected=true;

			}

	}}

	getteachsource(0);

}

function getsubjecttb()

{

   var grade=$('selectgrade').value;

   if (grade>0){

	   var para="grade="+grade+"&rnd="+new Date().getTime();;

	   var mytest = new Ajax.Request("/lxcy/ajax_getsubjecttb.asp?"+para,

	   {

		  method : 'get', onComplete : showsubjecttb

	   }

	   );

   }

}

function showsubjecttb(req)

{

   $('subject').innerHTML = req.responseText;
   	if (selsubjectid>0){

	for(ig=0;ig<$("selectsubject").options.length;ig++){

		if($("selectsubject").options[ig].value==selsubjectid){

			$("selectsubject").options[ig].selected=true;

			}

	}}

	getkeypoint();

}



function getteachsourceht(tyid)

{

   var grade=$('selectgrade').value;

   var subject=$('selectsubject').value;

   if (grade>0 && subject>0){

	   var para="grade="+grade+"&subject="+subject+"&tyid="+tyid+"&rnd="+new Date().getTime();;

	   var mytest = new Ajax.Request("/lxcy/ajax_getteachsourceht.asp?"+para,

	   {

		  method : 'get', onComplete : showteachsourceht

	   }

	   );

   }

}

function showteachsourceht(req)

{

	

   $('teachsource').innerHTML = req.responseText;

}



function getteachsourcelist() //获得教材列表
{
   var grade=$('selectgrade').value;
   var subject=$('selectsubject').value;
   if (grade>0 && subject>0){
	   var para="grade="+grade+"&subject="+subject+"&rnd="+new Date().getTime();;
	   var mytest = new Ajax.Request("/ek360admin/ajax_getteachsource.asp?"+para,
	   {
		  method : 'get', onComplete : showteachsourcelist
	   }
	   );
   }
}



function getteachsourcelist2() //获得教材列表

{

   var grade=$('selectgrade').value;

   var subject=$('selectsubject').value;

   if (grade>0 && subject>0){

	   var para="grade="+grade+"&subject="+subject+"&rnd="+new Date().getTime();

	   var mytest = new Ajax.Request("/ek360admin/ajax_getteachsource2.asp?"+para,

	   {

		  method : 'get', onComplete : showteachsourcelist

	   }

	   );

   }

}

function showteachsourcelist(req)

{

	

   $('teachsource').innerHTML = req.responseText;

}



function getchapter()

{

   	var teachsource=$('selectteachsource').value;

	//alert(teachsource);

	if (teachsource>0){

		var para="teachsource="+teachsource+"&rnd="+new Date().getTime();

		var mytest = new Ajax.Request("/lxcy/ajax_getchapter.asp?"+para,

	   {

		  method : 'get', onComplete : showchapter

	   }

	   );

	}

}

function showchapter(req){

	//alert(req.responseText);

	 $('getchapter').innerHTML = req.responseText;

}



function getchapterht()

{
   	var teachsource=$('selectteachsource').value;
	//alert(teachsource);
	if (teachsource>0){
		var para="teachsource="+teachsource+"&rnd="+new Date().getTime();
		var mytest = new Ajax.Request("/lxcy/ajax_getchapterht.asp?"+para,
	   {
		  method : 'get', onComplete : showchapterht
	   }
	   );
	}

}

function showchapterht(req){

	//alert(req.responseText);

	 $('getchapter').innerHTML = req.responseText;

}



function getchapterlist()

{

   	var teachsource=$('selectteachsource').value;

	if (teachsource>0){

		var para="teachsource="+teachsource+"&rnd="+new Date().getTime();

		var mytest = new Ajax.Request("/ek360admin/ajax_getchapterlist.asp?"+para,

	   {

		  method : 'get', onComplete : showchapterlist

	   }

	   );

	}

}

function getchapterlist2()
{
   	var teachsource=$('selectteachsource').value;
	if (teachsource>0){
		var para="teachsource="+teachsource+"&rnd="+new Date().getTime();
		var mytest = new Ajax.Request("/ek360admin/ajax_getchapterlist2.asp?"+para,
	   {
		  method : 'get', onComplete : showchapterlist
	   }
	   );
	}
}

function showchapterlist(req){

	 $('getchapter').innerHTML = req.responseText;

}



function   isDigITal(str)
  {   
      for(ilen=0;ilen<str.length;ilen++)   
      {   
          if(str.charAt(ilen)   <   '0'   ||   str.charAt(ilen)   >   '9'   )   
          {   
                return   false;   
          }         
      }   
      return   true;   
}

function checkform(ischarge,testcount){

	if (ischarge==-1){
		alert("您还未登录,不能使用此功能！");
		return false;
	}

	if ($('selectgrade').value==0){
		alert('请选择年级');
		$('selectgrade').focus();
		return false;
	}

	 else if ($('selectsubject').value==0){
		alert('请选择科目');
		$('selectsubject').focus();
		return false;
	}

	else if ($('selectteachsource').value==0){
		alert('请选择教材');
		$('selectteachsource').focus();
		return false;
	}

	else if ($('tiliang').value==''){

		alert('请填写抽题的数量');

		$('tiliang').focus();

		return false;

	}

	else if ($('nandu').value==''){

		alert('请选择难度');
		$('nandu').focus();
		return false;
	}

	else if(isDigITal($('tiliang').value)==false||$('tiliang').value<10||$('tiliang').value>40){

		alert("题量请输入10到40之间的整数");

		$('tiliang').value='';

		$('tiliang').focus();

		return false;

	}

	var flag=0;

	var aa=document.getElementsByName("chapter"); 

	for(i=0;i<aa.length;i++){

		if(aa[i].checked){

			flag=1;

        	break;

    	}

	}

    if(!flag){

        alert("请至少选择一个章节!");

        return false;

    }

	if (ischarge==2){

		return confirm("您需要支付两点，是否确定？点击确定将显示题目！");

	}

	if (testcount>2){

		alert ("您的使用次数已经超过三次,如果要继续使用此功能,请充值!");

		return false;

	}

}

function getkeypoint(){

	var grade=$('selectgrade').value;

   var subject=$('selectsubject').value;
   if (grade>0 && subject>0){

	   var para="grade="+grade+"&subject="+subject+"&rnd="+new Date().getTime();

	   var mytest = new Ajax.Request("/lxcy/ajax_getkeypoint.asp?"+para,
	   {
		  method : 'get', onComplete : showkeypoint
	   }
	   );

   }

}

function showkeypoint(req){

	$('keypoint').innerHTML = req.responseText;

}

function checkpoint(ischarge,testcount){

	if (ischarge==-1){

		alert("您还未登录,不能使用此功能！");

		return false;

	}

	if ($('selectgrade').value=='0'){

		alert('请选择年级');

		return false;

	}

	 else if ($('selectsubject').value=='0'){

		alert('请选择科目');

		return false;

	}

	else if ($('tiliang').value==''){

		alert('请填写题量');

		return false;

	}

	else if ($('nandu').value==''){

		alert('请选择难度');

		return false;

	}

	else if(isDigITal($('tiliang').value)==false||$('tiliang').value<10||$('tiliang').value>40){

		alert("请输入10到40数字");

		$('tiliang').value='';

		$('tiliang').focus();

		return false;

	}

	var flag=0;

	var aa=document.getElementsByName("keypoint"); 

	for(i=0;i<aa.length;i++){

		if(aa[i].checked){

			flag=1;

        	break;

    	}

	}

    if(!flag){

        alert("请至少选择一个知识点!");

        return false;

    }

	if (ischarge==2){

		return confirm("您需要支付两点，是否确定？点击确定将显示题目！");

	}

	if (testcount>2){

		alert ("您的使用次数已经超过三次,如果要继续使用此功能,请充值!");

		return false;

	}

}



function checksub(obj){

	var aa=document.getElementsByName("chapter");

	var ii;

	for(ii=0;ii<aa.length;ii++){

		if(aa[ii].id.indexOf(obj.id)>=0){

			aa[ii].checked=obj.checked;

    	}

	}

}



function checksub2(obj){

	var aa=document.getElementsByName("keypoint");

	var ii;

	for(ii=0;ii<aa.length;ii++){

		if(aa[ii].id.indexOf(obj.id)>=0){

			aa[ii].checked=obj.checked;

    	}

	}

}



function setgrad(gradid,subjid){

	var ig;

	if (gradid>0){

	for(ig=0;ig<$("selectgrade").options.length;ig++){

		if($("selectgrade").options[ig].value==gradid){

			$("selectgrade").options[ig].selected=true;

			}

	}}
	getsubject();

}



function setgrad2(gradid,subjid){

	var ig;

	if (gradid>0){

	for(ig=0;ig<$("selectgrade").options.length;ig++){

		if($("selectgrade").options[ig].value==gradid){

			$("selectgrade").options[ig].selected=true;

			}

	}}
	getsubjecttb();
	

}



function getpass()

{

	var pass=$('privategrade').value;

	if (pass==2)

	{

		$("showpass").style.display="";

	}

	else

	{

		$("showpass").style.display="none";

	}

}



function checkresform()

{

	if($("selectgrade").value==0)

	{

		alert("请选择年级");

		$("selectgrade").focus();

		return false;

	}

	else if($("selectsubject").value==0)

	{

		alert("请选择科目");

		$("selectsubject").focus();

		return false;

	}

	else if($("selectteachsource").value==0)

	{

		alert("请选择教材");

		$("selectteachsource").focus();

		return false;

	}

	else if($("selectchapter").value==0)

	{

		alert("请选择章节");

		$("selectchapter").focus();

		return false;

	}

	else if($("filepath").value=="")

	{

		alert("请上传文件");

		$("filepath").focus();

		return false;

	}

	else if($("title").value==0)

	{

		alert("请输入资料名称");

		$("title").focus();

		return false;

	}

	else if($("classid").value==0)

	{

		alert("请选择资料类型");

		$("classid").focus();

		return false;

	}

	else if($("content1").value==0)

	{

		alert("请输入资料简介");

		$("content1").focus();

		return false;

	}

	else if($("materiallevelid").value==0)

	{

		alert("请选择资料等级");

		$("materiallevelid").focus();

		return false;

	}

	else if($("verifycode").value==0)

	{

		alert("请输入验证码");

		$("verifycode").focus();

		return false;

	}

}