<!--

function alert($message){
	if(!confirm($message)){
		return false;
	}
}

var isGecko = false;
if(navigator){
	if(navigator.userAgent){
		if(navigator.userAgent.indexOf("Gecko/") != -1){
			isGecko = true;
		}
	}
}

function getSelectionRange(e) {
	var str;
	if (document.selection) {
	str = document.selection.createRange().text;
	}
	else if(isGecko){
	var start = e.selectionStart;
	var end = e.selectionEnd;
	str = e.value.substring(start, end);
	}
	else {
		str = '';
	}
	return str;
}

function setSelectionRange(e, v) {
	if(document.selection) {
	if(getSelectionRange(e))
		document.selection.createRange().text = v;
	else
		e.value = e.value + v;
	}
	else if(isGecko){
	var start = e.selectionStart;
	var end = e.selectionEnd;
	var len = e.textLength;
	var str = e.value.substring(start, end);
	var head = e.value.substring(0, start);
	var foot = e.value.substring(end, len);
	e.value = head + v + foot;
	}
	else {
		e.value = e.value + v;
	}
}

function tag(e, v, a) {
	var sv = a ? v + " " + a : v;
	var str = getSelectionRange(e);
	setSelectionRange(e, '<' + sv + '>' + str + '</' + v + '>');
}

function linkPrompt(e, blank) {

	if(blank == 'mail'){
		var link = prompt('メールアドレスを入力してください。: ', '');
	}else{
		var link = prompt('URLを入力してください。: ', '');
	}

	if(link != null)

	if(blank == true){
		setLink(e, link, true);
	}else if(blank == false){
		setLink(e, link, false);
	}else if(blank == 'mail'){
		setLink(e, link, 'mail');
	}

}

function setLink(e, url, blank) {

	if(blank == true){
		var attrs = 'href="' + url + '" target="_blank"';
	}else if(blank == false){
		var attrs = 'href="' + url + '"';
	}else if(blank == 'mail'){
		var attrs = 'href="mailto:' + url + '"';
	}

	tag(e, 'a', attrs);
}


function setColor(e, color) {
	var attrs = 'style="color: ' + color + '"';
	tag(e, 'span', attrs);
}


function selectContent( element, lock, only_once ) {
	if ( only_once && only_once_elements[element.name] ) {
		return;
	}

	only_once_elements[element.name] = true;

	if ( lock  ) {
		return;
	}

	element.select();
}


// -->