function link(num)
{ 
 if(num=='11'){ //-------------------------------------------------------------------------------------------- ¿¬±¸¼Ò ¼Ò°³
 location.href="sub01_01.html";
	}else if(num=='12_1'){ 
    location.href="sub01_02_1.html";
	}else if(num=='12_2'){ 
    location.href="sub01_02_2.html";
	}else if(num=='12_3'){
    location.href="sub01_02_3.html";
	}else if(num=='12_4'){
    location.href="sub01_02_4.html";
	}else if(num=='13'){
    location.href="sub01_03.html";
	}else if(num=='14_1'){
    location.href="sub01_04_1.html";
	}else if(num=='14_2'){
    location.href="sub01_04_2.html";
	}else if(num=='14_3'){
    location.href="sub01_04_3.html";
	}else if(num=='21'){//---------------------------------------------------------------------------------- ¿¬±¸°³¹ß
    location.href="sub02_01.html";
	}else if(num=='22'){
    location.href="sub02_02.html";
	}else if(num=='23'){
    location.href="sub02_03.html";
	}else if(num=='31'){//---------------------------------------------------------------------------------- »ê¾÷È­ Áö¿ø
    location.href="sub03_01_1.html";
	}else if(num=='31_2'){
    location.href="sub03_01_2.html";
	}else if(num=='32'){
    location.href="sub03_02.html";
	}else if(num=='41'){//---------------------------------------------------------------------------------- ·Îº¿Ã¼ÇèÀü½Ã°ü
    location.href="sub04_01.html";
	}else if(num=='42'){
    location.href="sub04_02.html";
	}else if(num=='43'){
    location.href="sub04_03.html";
	}else if(num=='51'){
    location.href="sub05_01_1.html";
	}else if(num=='51_2'){
    location.href="sub05_01_2.html";
	}else if(num=='51_3'){
    location.href="sub05_01_3.html";
	}else if(num=='51_4'){
    location.href="sub05_01_4.html";
	}else if(num=='51_5'){
    location.href="sub05_01_5.html";
	}else if(num=='52_1'){
    location.href="sub05_02_1.html";
	}else if(num=='52_2'){
    location.href="sub05_02_2.html";
	}else if(num=='53'){
    location.href="sub05_03.html";
	}else if(num=='61'){//---------------------------------------------------------------------------------- open space
    location.href="sub06_01.html";
	}else if(num=='62'){
    location.href="sub06_02.html";
	}else if(num=='63'){
    location.href="sub06_03.html";
	}else if(num=='63_2'){
    location.href="sub06_04.html";
   }

}