<!--
var MainList=new Array(9);
var SubList=new Array(103);

function ListItem(nvalue,description){ 
        this.nvalue=nvalue; 
        this.description=description; 
} 

function ListSubItem(category,nvalue,description){ 
        this.category=category; 
        this.nvalue=nvalue;
        this.description=description; 
} 

function PrepareData(){ 

	MainList[0]=new ListItem(0,"Hangeul"); 
		SubList[0]=new ListSubItem(0,"0","1"); 	
		SubList[1]=new ListSubItem(0,"1","2"); 	
		SubList[2]=new ListSubItem(0,"2","3"); 	
		SubList[3]=new ListSubItem(0,"3","4"); 	

	MainList[1]=new ListItem(1,"Family"); 
		SubList[4]=new ListSubItem(1,"4","1"); 	
		SubList[5]=new ListSubItem(1,"5","2"); 	
		SubList[6]=new ListSubItem(1,"6","3"); 	
		SubList[7]=new ListSubItem(1,"7","4"); 	
		SubList[8]=new ListSubItem(1,"8","5"); 	
		SubList[9]=new ListSubItem(1,"9","6"); 	
		SubList[10]=new ListSubItem(1,"10","7"); 	
		SubList[11]=new ListSubItem(1,"11","8"); 	
		SubList[12]=new ListSubItem(1,"12","9"); 	
		SubList[13]=new ListSubItem(1,"13","10"); 	
		SubList[14]=new ListSubItem(1,"14","11"); 	
		SubList[15]=new ListSubItem(1,"15","12"); 	
		SubList[16]=new ListSubItem(1,"16","13"); 	
		SubList[17]=new ListSubItem(1,"17","14"); 	
		SubList[18]=new ListSubItem(1,"18","15"); 	
		SubList[19]=new ListSubItem(1,"19","16"); 	
		SubList[20]=new ListSubItem(1,"20","17"); 	
		SubList[21]=new ListSubItem(1,"21","18"); 	
		SubList[22]=new ListSubItem(1,"22","19"); 	
		SubList[23]=new ListSubItem(1,"23","20"); 	

	MainList[2]=new ListItem(2,"Friends"); 
		SubList[24]=new ListSubItem(2,"24","1"); 	
		SubList[25]=new ListSubItem(2,"25","2"); 	
		SubList[26]=new ListSubItem(2,"26","3"); 	
		SubList[27]=new ListSubItem(2,"27","4"); 	
		SubList[28]=new ListSubItem(2,"28","5"); 	
		SubList[29]=new ListSubItem(2,"29","6"); 	
		SubList[30]=new ListSubItem(2,"30","7"); 	
		SubList[31]=new ListSubItem(2,"31","8"); 	
		SubList[32]=new ListSubItem(2,"32","9"); 	
		SubList[33]=new ListSubItem(2,"33","10"); 	
		SubList[34]=new ListSubItem(2,"34","11"); 	
		SubList[35]=new ListSubItem(2,"35","12"); 	
		SubList[36]=new ListSubItem(2,"36","13"); 	
		SubList[37]=new ListSubItem(2,"37","14"); 	
		SubList[38]=new ListSubItem(2,"38","15"); 	
		SubList[39]=new ListSubItem(2,"39","16"); 	

	MainList[3]=new ListItem(3,"Favorites"); 
		SubList[40]=new ListSubItem(3,"40","1"); 	
		SubList[41]=new ListSubItem(3,"41","2"); 	
		SubList[42]=new ListSubItem(3,"42","3"); 	
		SubList[43]=new ListSubItem(3,"43","4"); 	
		SubList[44]=new ListSubItem(3,"44","5"); 	
		SubList[45]=new ListSubItem(3,"45","6"); 	
		SubList[46]=new ListSubItem(3,"46","7"); 	
		SubList[47]=new ListSubItem(3,"47","8"); 	
		SubList[48]=new ListSubItem(3,"48","9"); 	
		SubList[49]=new ListSubItem(3,"49","10"); 	

	MainList[4]=new ListItem(4,"Fever"); 
		SubList[50]=new ListSubItem(4,"50","1"); 	
		SubList[51]=new ListSubItem(4,"51","2"); 	
		SubList[52]=new ListSubItem(4,"52","3"); 	
		SubList[53]=new ListSubItem(4,"53","4"); 	
		SubList[54]=new ListSubItem(4,"54","5"); 	
		SubList[55]=new ListSubItem(4,"55","6"); 	
		SubList[56]=new ListSubItem(4,"56","7"); 	
		SubList[57]=new ListSubItem(4,"57","8"); 	
		SubList[58]=new ListSubItem(4,"58","9"); 	
		SubList[59]=new ListSubItem(4,"59","10"); 	

	MainList[5]=new ListItem(5,"Fuzzy"); 
		SubList[60]=new ListSubItem(5,"60","1"); 	
		SubList[61]=new ListSubItem(5,"61","2"); 	
		SubList[62]=new ListSubItem(5,"62","3"); 	
		SubList[63]=new ListSubItem(5,"63","4"); 	
		SubList[64]=new ListSubItem(5,"64","5"); 	
		SubList[65]=new ListSubItem(5,"65","6"); 	
		SubList[66]=new ListSubItem(5,"66","7"); 	
		SubList[67]=new ListSubItem(5,"67","8"); 	
		SubList[68]=new ListSubItem(5,"68","9"); 	
		SubList[69]=new ListSubItem(5,"69","10"); 	

	MainList[6]=new ListItem(6,"Fest"); 
		SubList[70]=new ListSubItem(6,"70","1"); 	
		SubList[71]=new ListSubItem(6,"71","2"); 	
		SubList[72]=new ListSubItem(6,"72","3"); 	
		SubList[73]=new ListSubItem(6,"73","4"); 	
		SubList[74]=new ListSubItem(6,"74","5"); 	
		SubList[75]=new ListSubItem(6,"75","6"); 	
		SubList[76]=new ListSubItem(6,"76","7"); 	
		SubList[77]=new ListSubItem(6,"77","8"); 	
		SubList[78]=new ListSubItem(6,"78","9"); 	
		SubList[79]=new ListSubItem(6,"79","10"); 
	
	MainList[7]=new ListItem(7,"Humanity"); 
		SubList[80]=new ListSubItem(7,"80","1"); 	
		SubList[81]=new ListSubItem(7,"81","2"); 	
		SubList[82]=new ListSubItem(7,"82","3"); 	
		SubList[83]=new ListSubItem(7,"83","4"); 	
		SubList[84]=new ListSubItem(7,"84","5"); 	
		SubList[85]=new ListSubItem(7,"85","6"); 	
		SubList[86]=new ListSubItem(7,"86","7"); 	
		SubList[87]=new ListSubItem(7,"87","8"); 

	MainList[8]=new ListItem(8,"Social Science"); 
		SubList[88]=new ListSubItem(8,"88","1"); 	
		SubList[89]=new ListSubItem(8,"89","2"); 	
		SubList[90]=new ListSubItem(8,"90","3"); 	
		SubList[91]=new ListSubItem(8,"91","4"); 	
		SubList[92]=new ListSubItem(8,"92","5"); 	
		SubList[93]=new ListSubItem(8,"93","6"); 	
		SubList[94]=new ListSubItem(8,"94","7"); 	
		SubList[95]=new ListSubItem(8,"95","8"); 
		
	MainList[9]=new ListItem(9,"Science"); 
		SubList[96]=new ListSubItem(9,"96","1"); 	
		SubList[97]=new ListSubItem(9,"97","2"); 	
		SubList[98]=new ListSubItem(9,"98","3"); 	
		SubList[99]=new ListSubItem(9,"99","4"); 	
		SubList[100]=new ListSubItem(9,"100","5"); 	
		SubList[101]=new ListSubItem(9,"101","6"); 	
		SubList[102]=new ListSubItem(9,"102","7"); 	
		SubList[103]=new ListSubItem(9,"103","8"); 
} 

function reFillList(num){ 
	var form1 = document.form1;
	var selValue; 
	var nOption; 
	selValue=document.form1.mainlist.value; 
	document.form1.sublist.length=0;
	
	for (var i=0; i < SubList.length;i++){ 
		if (SubList[i].category==selValue) { 				
			nOption=form1.sublist.length; 
			document.form1.sublist.options[nOption]=new Option(SubList[i].description,SubList[i].nvalue); 
		} 
	}         
	form1.sublist.options[num-1].selected=true; 
} 

function tmt_fullscreen(url) {
    var larg_schermo = screen.availWidth - 10;
    var altez_schermo = screen.availHeight - 15;
    window.open(url, "WindowName", "width=" + larg_schermo + ",height=" + altez_schermo + ",top=0,left=0");
}

function checkvalues(){ 
    var val1; 
    var val2; 
    var cString; 
			var mldes;
    val1=form1.mainlist.value; 
    val2=form1.sublist.value; 

	if(MainList[val1].description=="Hangeul"){				mldes="hg";	}
	else if(MainList[val1].description=="Family"){			mldes="fm";	}
	else if(MainList[val1].description=="Favorites"){		mldes="fv";	}
	else if(MainList[val1].description=="Friends"){			mldes="fr";	}
	else if(MainList[val1].description=="Fever"){			mldes="fe";	}
	else if(MainList[val1].description=="Fest"){			mldes="fs";	}
	else if(MainList[val1].description=="Fuzzy"){			mldes="fz";	}
	else if(MainList[val1].description=="Humanity"){		mldes="hu";	}
	else if(MainList[val1].description=="Social Science"){	mldes="so";	}
	else if(MainList[val1].description=="Science"){			mldes="sc";	}
	
	var unit_no = SubList[val2].description;
	var uno;
	if (unit_no<10){
		uno="0"+unit_no;
	}else{
		uno=unit_no;
	}
	
	if(!(mldes=="hu"||mldes=="so"||mldes=="sc")){
		cString="/tk/std/study.jsp?chapter="+mldes +"&unit_no="+uno;
		tmt_fullscreen(cString)
	}else{
		cString="/tk/std/"+mldes+"/common/"+mldes+uno+".jsp?chapter="+mldes+"&unit_no="+uno;					
		MM_openBrWindow(cString,'','width=1024,height=744,left=0,top=0')
	}
				
} 

function checkvalues1(mode){ 
    var val1; 
    var val2; 
    var cString; 
			var mldes;
    val1=document.form1.mainlist.value; 
    val2=document.form1.sublist.value; 

	if(MainList[val1].description=="Hangeul"){				mldes="hg";	}
	else if(MainList[val1].description=="Family"){			mldes="fm";	}
	else if(MainList[val1].description=="Favorites"){		mldes="fv";	}
	else if(MainList[val1].description=="Friends"){			mldes="fr";	}
	else if(MainList[val1].description=="Fever"){			mldes="fe";	}
	else if(MainList[val1].description=="Fest"){			mldes="fs";	}
	else if(MainList[val1].description=="Fuzzy"){			mldes="fz";	}
	else if(MainList[val1].description=="Humanity"){		mldes="hu";	}
	else if(MainList[val1].description=="Social Science"){	mldes="so";	}
	else if(MainList[val1].description=="Science"){			mldes="sc";	}
	
	var unit_no = SubList[val2].description;
	var uno;
	if (unit_no<10){
		uno="0"+unit_no;
	}else{
		uno=unit_no;
	}
	
	if(!(mldes=="hu"||mldes=="so"||mldes=="sc")){
		goStudy(mode, mldes, uno);
	} else {
		goStd(mode, mldes, uno, 'super')
	}
}

function goStudy(lang, chapter, unit){
    
    var sso_id = document.getElementById("sso_id").value;
    var sso_key = document.getElementById("sso_key").value;
    
    if (lang == '') {
        lang = 'e';
    }
    
    window.open("/sso/certify_t.jsp?sso_key="+sso_key+"&sso_id="+sso_id+"&lang="+lang+"&chapter="+chapter+"&unit="+unit,'','width=1024,height=744,left=0,top=0');
}

function goStd(lang, chapter, unit, flag){
    var sso_id = document.getElementById("sso_id").value;
    var sso_key = document.getElementById("sso_key").value;
    if (lang == '') {
        lang = 'e';
    }
    window.open("/sso/certify_t.jsp?sso_key="+sso_key+"&sso_id="+sso_id+"&lang="+lang+"&chapter="+chapter+"&unit="+unit+"&flag="+flag,'','width=1024,height=744,left=0,top=0');
}

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}
//-->