var _timer;

function checkBrowser() {
	if (Ext.isIE6 || Ext.isGecko2 || Ext.isSafari2) {
		Ext.getDom('oldbrowser').style.display = 'block';
	}
}

function showWaitIcon() {
	_timer = setTimeout(function(){Ext.getDom('waitIcon').style.display = 'block';}, 1000);
}

function hideWaitIcon() {
	clearTimeout(_timer);
	Ext.getDom('waitIcon').style.display = 'none';
}

function onDOMLoaded(initFunc) {
	if (Ext.getDom('waitIcon')) {
		initFunc();
	} else {
		var _timer = setInterval(function() {
			if (Ext.getDom('waitIcon')) {
				clearInterval(_timer);
				initFunc();
			}
		}, 500);
	}
}

function changeToText(elid){
	var oldEl = Ext.getDom(elid);
	
	if (oldEl.tag === 'input' && oldEl.type === 'text') {
		oldEl.value = '';
		return;
	}
	
	var oldClass = oldEl.className;
	var newEl = Ext.DomHelper.insertBefore(oldEl, {tag: 'input', type: 'text'});

	Ext.removeNode(oldEl);

	newEl.id = elid;
	newEl.name = elid;
	newEl.className = oldClass;
}

function changeToSelect(elid){
	var oldEl = Ext.getDom(elid);
	
	if (oldEl.tag === 'select') {
		oldEl.options.length = 0;
		return;
	}

	var oldClass = oldEl.className;
	var newEl = Ext.DomHelper.insertBefore(oldEl, {tag: 'select'});

	Ext.removeNode(oldEl);

	newEl.id = elid;
	newEl.name = elid;
	newEl.className = oldClass;
}

function popUpPage(page, height, width) {
	var popwin = window.open(page, "", "toolbar=0,scrollbars=1,location=0,statusbar=0,menubar=0,resizable=1,width=" + width + ",height=" + height);
	popwin.focus();
}

onDOMLoaded(function() {
	Ext.get('header_logo').on('click', function(){location='index.html';}, this, {preventDefault: true});
	Ext.select('a[class=_popup]').on('click', function(evt,el,o){window.open(el.href);}, this, {preventDefault: true});
	checkBrowser();
});