function alertKey() {
			if ( event.ctrlKey ) {
				var key = event.keyCode

				//alert(key) // »èÁ¦ÇÒ ºÎºÐ

				switch ( key ) {
					case 49:  // óÀ½À¸·Î (ctrl + 1 )
						location.href = 'http://hope.gnu.ac.kr'
						break;
						
					case 72: // µµ¿ò¸» (ctrl + h )
						location.href = '/subPage/help/help1.php'
						break;
						
					case 75:  // ´ÜÃàÅ° ¾È³» (ctrl + k )
						location.href = '/subPage/help/help1.php'
						break;
						
					case 77:  // »çÀÌÆ®¸Ê (ctrl + m )
						location.href = '/subPage/help/help3.php'
						break;
						
					case 68: //¸Þ´º¾È³»-´ëÇмҰ³ (ctrl + d )
						location.href = '/subPage/intro/intro1.php'
						break;
						
					case 71: // ¸Þ´º¾È³»-ÀÔÇоȳ» (ctrl + g )
					    location.href = '/subPage/enter/enter1.php'
					  	break;
						
					case 85:  // ¸Þ´º¾È³» - ´ëÇÐ/´ëÇпø (ctrl + u )
						location.href = '/subPage/univ/univ1.php'
						break;
						
					case 83: // ¸Þ´º¾È³»-  ÇлçÁ¤º¸ (ctrl + s )
						location.href = '/subPage/haksa/haksa1.php'
						break;
						
					case 84:  // ¸Þ´º¾È³» - ¿­¸°°­ÀÇ½Ç (ctrl + t )
						location.href = '/subPage/open/open1.php'
						break;
						
					case 81:  // ¸Þ´º¾È³» - ´ëÇлýÈ°¾È³» (ctrl + q )
						location.href = '/subPage/life/life1.php'
						break;
						
					case 89:  // ¸Þ´º¾È³» - °¡Á¹ú±¤Àå (ctrl + y )
						location.href = '/kboard/kboard.php?board=notice'
						break;					
										    
						
					case 90:  // ÀÌÀüÆäÀÌÁö(ctrl + z )
						top.history.back()
						break;
						
						
				     case 107:  // ±ÛÀÚÈ®´ë(ctrl + + )
						fontPlus()
						break;
						
					case 109:  // ±ÛÀÚÃà¼Ò(ctrl + - )
						fontMinus()
						break;	
				}
			}
		}