//Jitoh's Util
//2002/06/21 14:47 by Tsukasa Jitoh
{
	//
	function getAgentNo()
	{
		var rc = 0;	//未対応
		if(document.all)
			rc = 1;	//IE
		else if(document.getElementById)
			rc = 2;	//NN6
		else if(document.layers)
			rc = 3;	//NN4
		if(parseInt(navigator.appVersion) <= 2)
			rc = 0;
		return rc;
	}

	//innerHTML出力
	function writeStr2Html(doc, idName, s)
	{
		switch(getAgentNo())
		{
		case 1:	//IE
			doc.all(idName).innerHTML = s;
			break;
		case 2:	//NN6
			doc.getElementById(idName).innerHTML = s;
			break;
		case 3:	//NN4
			with(doc.layers[idName].document)
			{
				open();
				write(s);
				close();
			}
			break;
		}
	}
	//innerHTML取得
	function readHtmlStr(doc, idName)
	{
		var s = "";
		switch(getAgentNo())
		{
		case 1:	//IE
			s = doc.all(idName).innerHTML;
			break;
		case 2:	//NN6
			s = doc.getElementById(idName).innerHTML;
			break;
//		case 3:	//NN4
//			o = doc.layers[idName].innerHTML;
//			s = "";
//			break;
		}
		return s;
	}
	//色設定
	function setColor(doc, idName, sColor)
	{
		var o = null;
		switch(getAgentNo())
		{
		case 1:	//IE
			o = doc.all.item(idName).style;
			break;
		case 2:	//NN6
			o = doc.getElementById(idName).style;
			break;
		case 3:	//NN4
			o = doc.layers[idName];
			break;
		}
		if(o)
			o.color = sColor;
	}
	//visivility切り替え(エリア保持)
	// mode= 0:off, 1:on, -1:toggle
	function setVisivilityElement(doc, idName, mode)
	{
		var swStrs = new Array("hidden", "visible");
		var o;

		switch(getAgentNo())
		{
		case 1:	//IE
			o = doc.all.item(idName).style;
			break;
		case 2:	//NN6
			o = doc.getElementById(idName).style;
			break;
		case 3:	//NN4
			o = doc.layers[idName];
			swStrs = new Array("hiden", "show");
			break;
		default:
			return;
		}

		var sw = (mode == -1? (o.visibility != swStrs[1]): (mode == 1));
		o.visibility = swStrs[sw? 1: 0];
		o.position = "relative";
	}
	//display show切り替え
	// mode= 0:off, 1:on, -1:toggle
	function setDisplayElement(doc, idName, mode)
	{
		var swStrs = new Array("none", "block");
		var o;

		switch(getAgentNo())
		{
		case 1:	//IE
			o = doc.all.item(idName).style;
			break;
		case 2:	//NN6
			o = doc.getElementById(idName).style;
			break;
		case 3:	//NN4
			o = doc.layers[idName];
			break;
		default:
			return;
		}

		var sw = (mode == -1? (o.display != swStrs[1]): (mode == 1));
		o.display = swStrs[sw? 1: 0];
	}
	//Select Combobox
	function selectCbx(elm, value, textFlag)
	{
		if(elm && parseInt(elm.length) != 0)
		{
			var i = elm.length - 1;
			if(textFlag)
			{
				while(i >= 0 && elm.options[i].text != value)
					i--;
			}
			else
			{
				while(i >= 0 && elm.options[i].value != value)
					i--;
			}
			if(i >= 0)
				elm.selectedIndex = i;
		}
	}
	//音声再生
	function playSound(doc, idName)
	{
		switch(getAgentNo())
		{
		case 1:	//IE
			doc.all(idName).run();
			break;
		case 2:	//NN6
			doc.getElementById(idName).play(false);
			break;
//		case 3:	//NN4
//			doc.getElementById(idName).play(false);
//			break;
		}
	}
	//音声停止
	function stopSound(doc, idName)
	{
		switch(getAgentNo())
		{
		case 1:	//IE
			doc.all(idName).stop();
			break;
		case 2:	//NN6
			doc.getElementById(idName).stop();
			break;
//		case 3:	//NN4
//			doc.getElementById(idName).stop();
//			break;
		}
	}
}