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                 üũ¹Ú½º ¼±ÅÃȽ¼ö¸¦ Á¦ÇÑÇϱâ / Çѹø¿¡ 
                  ¸ðµÎ ¼±ÅÃÇϱâ 
                   
                   ¢º üũ¹Ú½º 
                  ¼±ÅÃȽ¼ö¸¦ Á¦ÇÑÇϱâ 
                  
                     
                       <html> 
                        <head> 
                        <script language="JavaScript"> 
                        <!-- 
                        // ¼³Á¤ ½ÃÀÛ 
                        var maxChecked = 3; 
                        var totalChecked = 0; 
                        // ¼³Á¤ ³¡ 
                        function CountChecked(field) { 
                        if (field.checked) 
                        totalChecked += 1; 
                        else 
                        totalChecked -= 1;  
                        if (totalChecked > maxChecked) { 
                        alert ("ÃÖ´ë 3°³ ±îÁö¸¸ °¡´ÉÇÕ´Ï´Ù."); 
                        field.checked = false; 
                        totalChecked -= 1; 
                        }  
                        } 
                        function ResetCount(){ 
                        totalChecked = 0; 
                        } 
                        //--> 
                        </script> 
                          </head>  
                          <body>  
                          <FORM action=" " method=post name=Check> 
                          <table align="left"> 
                          <tr><td> 
                          ÁÁ¾ÆÇÏ´Â À½½Ä 3°³¸¸ ü±×ÇØÁÖ¼¼¿ë~~<br> 
                        <INPUT name=1 onclick=CountChecked(this) 
                        type=checkbox> ±èÄ¡Âî°Ô<BR> 
                        <INPUT name=2 onclick=CountChecked(this) 
                        type=checkbox> ÄÉÀÍ<BR> 
                        <INPUT name=3 onclick=CountChecked(this) 
                        type=checkbox> ¾ÆÀ̽ºÅ©¸²<BR> 
                        <INPUT name=4 onclick=CountChecked(this)
                        ºÒ°í±â<BR> 
                        <INPUT name=5 onclick=CountChecked(this)
                        ÇØ¹°ÅÁ<BR> 
                        <INPUT name=6 onclick=CountChecked(this)
                        »þºê»þºê<BR> 
                        <INPUT name=7 onclick=CountChecked(this)
                        »ï°ã»ì<BR> 
                        <INPUT name=8 onclick=CountChecked(this)
                        ÇÇÀÚ<BR> 
                        <INPUT name=9 onclick=CountChecked(this)
                        µÈÀåÂî°Ô<BR> 
                        <INPUT name=10 onclick=CountChecked(this)
                        ºÒ³«Àü°ñ<BR> 
                        <INPUT name=11 onclick=CountChecked(this)
                        µ·±î½º<BR> 
                        <INPUT name=12 onclick=CountChecked(this)
                        Æ¢±è <BR> 
                        <INPUT name=13 onclick=CountChecked(this)
                        ¶±ººÀÌ <BR><BR> 
                          <INPUT type=submit value=Submit> 
                        <INPUT onclick=ResetCount() 
                        type=reset value=Reset> 
                          </td></tr> 
                          </table> 
                          </FORM> 
                          </body> 
                          </html> 
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                  ¢º Çѹø¿¡ 
                  ¸ðµÎ ¼±ÅÃÇϱâ_(üũ¹Ú½º·Î Á¦¾î)  
                     
                       <html>  
                        <head> 
                        <script language="JavaScript"> 
                        function CheckAll(objChkBox)  
                        {  
                        bChecked = (objChkBox.checked)?true:false  
                        for (x=0;x<objChkBox.form.length;x++)  
                        {  
                        objChkBox.form.elements[x].checked = bChecked;  
                        }  
                        }  
                        </script>   
                        </head>   <body> 
                          <form>  
                        ¸ðµÎ ¼±Åà : <input type="checkbox" onclick="CheckAll(this)"><br> 
                          <input type="checkbox"><br> 
                          <input type="checkbox"><br> 
                          <input type="checkbox"><br> 
                          <input type="checkbox"><br> 
                         
                        </form>   </body> 
                        </html>  | 
                     
                   
                       
                   
                  ¢º Çѹø¿¡ 
                  ¸ðµÎ ¼±ÅÃÇϱâ_(¹öưÀ¸·Î Á¦¾î) 
                  
                  
                     
                       <html>  
                        <head> 
                        <script language="JavaScript"> 
                        <!-- 
                        var checkflag = "false"; 
                        function check(field) { 
                        if (checkflag == "false") { 
                        for (i = 0; i < field.length; i++) { 
                        field[i].checked = true;} 
                        checkflag = "true"; 
                        return "Uncheck All"; } 
                        else { 
                        for (i = 0; i < field.length; i++) { 
                        field[i].checked = false; } 
                        checkflag = "false"; 
                        return "Check All"; } 
                        } 
                        //--> 
                        </script>    </head>   <body> 
                          <form>  
                        <input type=button value="Check 
                        All" onClick="this.value=check(this.form.list)"><br> 
                        <input type=checkbox name=list 
                        ><br> 
                        <input type=checkbox name=list 
                        ><br> 
                        <input type=checkbox name=list 
                        ><br> 
                        <input type=checkbox name=list 
                        ><br> 
                        <input type=checkbox name=list 
                        ><br>  </form>   </body>  </html> 
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