/*
 By Ike 
*/

var episode_window = null;
var glossary_window = null;
var link_window = null;
var justhome_window = null;
var elqhome_window = null;
var test_window = null;
var csv_window = null;

var course_map = null;

function WindowOpenUpSide(windowname, url, title) {
	var window_obj = eval(windowname);
	if( window_obj != null && !window_obj.closed ) {
		window_obj.location.replace( url );
		window_obj.focus();
	} else {
		window_obj = window.open( url,title,"toolbar=no,location=no,directories=no,status=no,resizable=yes,scrollbars=yes,menubar=no");
		window_obj.focus();
	}

	return false;
}

/*
 end 
*/

function onOperation( index ) {
	document.operation.listkind.value = index;
	return true;
}

function browserCheck( old_browser ) {
	if( navigator.appName.charAt( 0 ) == "N" ) {

		if( parseInt( navigator.appVersion.charAt( 0 ) ) >= 5 ) {
			return 6;
		} else {
			if( navigator.platform.indexOf( "Win" ) != -1 ) {
				alert( old_browser );
				/* netscape.security.PrivilegeManager.enablePrivilege( "UniversalBrowserWrite" ); */
				window.setResizable( false );
			}
			return 4;
		}
	}

	return 0;
}

function checkForEnter() {
	return ( event.keyCode == 13 );
}

function submitForm( submit_form ) {
	submit_form.submit();
	return false;
}

function onLogout( info_input,url ) {
	if( confirm( info_input.value ) ) {
		return GoTo( url );
	}
	return false;
}

function needToReload( page_name ) {
	if( getNeedToReload( page_name ) ) {
		setNeedToReload( page_name,false );
		window.location.reload( true );
	} else {
		setNeedToReload( page_name,true );
	}
}

function removeReloadCookie( page_name ) {
	var last_year = new Date();
	last_year.setFullYear( last_year.getFullYear()-1 );
	document.cookie = page_name+"=;/ichitaro/Regist;expires="+last_year.toGMTString()+";";
}

function getNeedToReload( page_name ) {
	var cookies = document.cookie;

	if( cookies != "" ) {
		var start = cookies.indexOf( page_name );
		if( start >= 0 ) {
			cookies = cookies.substring( start );
			start = cookies.indexOf( '=' )+1;

			end = cookies.indexOf( ';' );
			return ( cookies.substring( start,end ) == "true" );
		} 
	}
	return false;
}

function setNeedToReload( page_name,reload_flag ) {
	var cookies = document.cookie;
	var cookie = "";

	if( cookies != "" && cookies.indexOf( page_name ) >= 0 ) {
		removeReloadCookie( page_name );
	}

	document.cookie = page_name+'='+reload_flag+';';
}

function loseFocus( form_input ) {
	form_input.blur(); 
	return false;
}

function session_expired( prompt,url ) {
	alert( prompt );
	top.location.replace( url );
	window.close();
}

function session_expired( prompt,url ) {
	alert( prompt );
	top.location.replace( url );
	window.close();
}

function onClose() {
	window.close();
	return false;
}

function startTimer( session_interval,replace_url,expire_prompt,current_time,tail ) {
	window.setTimeout( "CheckSessionTermination( '"+replace_url+"', '"+ToUniCode( expire_prompt )+"','"+ToUniCode( current_time )+"','"+ToUniCode( tail )+"' );",(session_interval-60)*1000 );
	return false;
}

function CheckSessionTermination( replace_url,expire_prompt_code,current_time_code,tail_code ) {
	if( SessionTermination( expire_prompt_code,current_time_code,tail_code ) ) {
		top.location.reload();
	} else {
		top.location.replace( replace_url );
	}
}

function SessionTermination( expire_prompt_code,current_time_code,tail_code ) {
	var now = new Date((new Date()).getTime() );
	var mins = now.getMinutes();
	mins = (mins < 10) ? "0"+mins : mins;
	var hours = now.getHours();
	hours = (hours < 10) ? "0"+hours : hours;

	var expire_prompt = eval( "String.fromCharCode( "+expire_prompt_code+" ) " )+"\n"+eval( "String.fromCharCode( "+current_time_code+" ) " )+hours+":"+mins+eval( "String.fromCharCode( "+tail_code+" ) " );

	return window.confirm( expire_prompt );
}

function putInUrl( url,param,value ) {
	var index = -1;
	var length = param.length;
	var url_1 = "";
	var url_2 = url;
	param += "=";

	while( ( index = url_2.indexOf( param ) ) >= 0 ) {

		if( ( url_2.charAt( index-1 ) == '&' ) || ( url_2.charAt( index-1 ) == '?' ) ) {
			url_1 += url_2.substring( 0,index );
			index = url_2.indexOf( "&" );

			if( index < 0 ) {
				url_2 = "";
				break;
			} else {
				url_2 = url_2.substring( index+1 );
			}
		} else {
			index = url_2.indexOf( "&" );

			if( index >= 0 ) {
				url_1 += url_2.substring( 0,index+1 );
				url_2 = url_2.substring( index+1 );
			} else {
				url_1 += url_2;
				url_2 = "";
			}
		}
	}


	var last_char = url_1.charAt( url_1.length-1 );
	var first_char = url_2.charAt( 0 );
	if( ( last_char == '?' || last_char == '&' ) && ( first_char == '&' ) ) {
		url_1 = url_1.substring( 0,url_1.length-1 );
	}

	url_1 += url_2;
	value = urlFormat( value.toString() );
	return ( url_1+connector( url_1 )+param+value );
}

function connector( url ) {
	if( url.match( /\?/ ) != null ) {
		return "&";
	} else {
		return "?";
	}
}

/* sucks */
function urlFormat( url ) {
	return url.replace( /\&/g,"SOSITE" ).replace( / /g,"YOHAKU" ).replace( /\n/g,"JIGYOU" ).replace( /\r/g,"" );
}

function decodeToHTML( url ) {
	document.write( url.replace( /SOSITE/g,"\&" ).replace( /YOHAKU/g," " ).replace( /JIGYOU/g,"<br>" ) );
}

function decodeToString( url ) {
	return ( url.replace( /SOSITE/g,"\&" ).replace( /YOHAKU/g," " ).replace( /JIGYOU/g,"\n" ) );
}



function ToUniCode( str ) {
	var code = "";
	var i;
	for( i=0;i<str.length;i++ ) {
		code += ( str.charCodeAt( i ) + ',' );
	}
	code = code.substring( 0,code.length-1 );

	return code;
}

/* pull down */

function initPullDown() {
	if( !document.all || !document.all.item ) {
		if( document.getElementById ){
			if( !document.all ) {
				document.all = document;
			}
			document.all.item = function(id){return document.getElementById(id)}
		}
	}
}

function pullDown(tagName) {
	if (document.all) {
		document.all.item(tagName).style.visibility = 'visible';
		document.all.item(tagName).style.left = 100;
	}
	return false;
}

function pullUp(tagName) {
	if (document.all) {
		document.all.item(tagName).style.visibility = 'hidden';
		document.all.item(tagName).style.left = -500;
	}
	return false;
}

/* modified for regist */

function isDigit( input,prompt ) {
	if( input.value.match( /\D/ ) != null ) {
		alert( prompt );
		input.focus();
		input.select();
		return false;
	}
	return true;
}


/* Added for regist */
function GoTo( url ) {
	window.location.replace( url );
	return false;
}

function isEmpty( input ) {
	var s = input.value;
	if( ( s == null ) || ( s.replace( / /g,"" ) == "" ) ) {
		input.focus();
		input.select();
		return true;
	}
	return false;
}