function open_window(file_name, scrollable)
{
	if(window.win)
	   win.close();
	win=window.open(file_name,"newwindow","toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars="
	+scrollable+",resizeable=0,width=650,height=520");
}

function tts(){
open_window("http://teens.putonghuaonline.com/index_demo/pinyin3_demo/pinyin3.php","no");}


function pinyin01(){
open_window("http://teens.putonghuaonline.com/index_demo/pinyin3_demo/pinyin3.php","no");}


function pinyin02(){
open_window("http://teens.putonghuaonline.com/index_demo/pinyin3_demo/pinyin3.php","no");}


function pinyin03(){
open_window("http://teens.putonghuaonline.com/index_demo/pinyin3_demo/pinyin2.php","no");
}


function magazine(){
open_window("http://teens.putonghuaonline.com/try04.php?mag_id=1","no");
}

function lv1_02_03(){
open_window("lv1_02_03.php","no");}


function lv1_02_04(){
open_window("lv1_02_04.php","no");}

function lv1_03_01(){
open_window("lv1_03_01.htm","no");}


function lv1_03_02(){
open_window("lv1_03_02.htm","no");}


function lv1_03_03(){
open_window("lv1_03_03.htm","no");}


function lv1_04(id){

window.open("lv1_04_01.php?mag_id="+id,"newwindow","toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=no,resizeable=0,width=740,height=530")

}

function lv1_05_02(){
open_window("lv1_05_02.htm","no");}

function open_window6(filename,win_width)
{
if(window.win)
	win.close();
win=window.open(filename,"newwindow","toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=yes,resizeable=0,width="+win_width+",height=530");

}

function a3_06_01(){
open_window6("lv1_06_01.php",675);
}
//-->
<!--

function a3_06_02(){
open_window6("lv1_06_02.php",655);
}

//-->
<!--

function a3_06_03(){
open_window6("lv1_06_03.php",675);
}

function a3_09_01(){
window.open("a3_09_01.php","newwindow","toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=yes,resizeable=0,width=740,height=600")
}

function a3_10_01(){
window.open("a3_10_01.php","newwindow","toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=no,resizeable=0,width=740,height=350")

}