function login() { 

	document.login.submit();
}

function Check_Key(i) {

	if(event.keyCode==13 && i==1) {
		document.login.password.focus();
	}

	if(event.keyCode==13 && i==2) {
		login();
	}

	if(event.keyCode==27 && i == 1)
		document.login.userid.value="";

	if(event.keyCode==27 && i == 2)
		document.login.password.value="";
}

function message_open(TITLE,URL, WIDTH, HEIGHT) { 
	
	windowprops = "left=50,top=50,width=" + WIDTH + ",height=" + HEIGHT + ",scrollbars=yes,resizable=yes,status=no"; 
	window.open(URL, TITLE , windowprops); 
} 

function open_window(TITLE,URL, WIDTH, HEIGHT) { 
	
	windowprops = "left=50,top=50,width=" + WIDTH + ",height=" + HEIGHT + ",resizable=yes,scrollbars=yes"; 
	window.open(URL, TITLE , windowprops); 
} 

function open_window2(TITLE,URL, WIDTH, HEIGHT) { 
	
	windowprops = "left=50,top=50,width=" + WIDTH + ",height=" + HEIGHT + ",resizable=yes,scrollbars=no"; 
	window.open(URL, TITLE , windowprops); 
} 

function open_window_1(TITLE,URL, WIDTH, HEIGHT) { 
	
	windowprops = "left=2000,top=2000,width=" + WIDTH + ",height=" + HEIGHT + ",resizable=yes,scrollbars=yes"; 
	window.open(URL, TITLE , windowprops); 
} 

function deleteConfirm(msg, url){

	if(confirm(msg)) document.location.replace( url ); 		
}

function orderConfirm(msg, url){

	if(confirm(msg)) document.location.href( url ); 		
}

function checkConfirm(msg){

	if(confirm(msg)) {
		return true;
	} else {
		return false;
	}		
}

function erorrMsg(msg){
	alert(msg);
}

function postChk(ref) {

	window.open( ref , "win1",'scrollbars=yes,width=500,height=400');
}

function change_board(changecategory) {

	if (changecategory==1) {
		var index = document.catform.catlist.selectedIndex;
		document.catform.sel_cat.value=document.catform.catlist.options[index].value;
	}
	   
	document.catform.submit();
	return false;
}

function checkEndTime(){
	
	open_window_1('','/lecture/checkEndTime.php', '1', '1');
}

function pulldown(sel, targetstr) {
		
	var index = sel.selectedIndex;
	if (sel.options[index].value != '') {
		if (targetstr == 'blank') {
			window.open(sel.options[index].value, 'win1');
		} else {
			var frameobj;
			if (targetstr == '') targetstr = 'self';
			if ((frameobj = eval(targetstr)) != null)
				frameobj.location = sel.options[index].value;
		}
	}
}
function expo_app(epcode) { 
	
	windowprops = "left="+(screen.width-100)/2+", top="+(screen.height-100)/2+",width=100,height=50,resizable=no,scrollbars=no"; 
	window.open('/community/expo_app.php?epcode='+epcode, 'expoapp' , windowprops);
	
}