function getObject(curID) {
	return document.getElementById(curID);
}
function openWindow(mUrl, mName, mHeight, mWidth) {
	var mTop = (screen.availHeight - 500) / 2;
	var mLeft = ((screen.availWidth - 778) / 2)-4;
	window.open(mUrl, mName, 'width=' + mWidth + ',height=' + mHeight + ',left=' + mLeft + ',top=' + mTop + ',menubar=no,resizable=no,scrollbars=no,status=no,toolbar=no,userbars=no');
}
function showLoading(showType, isShow, strMsg, obj, imgPrefix) {
	switch(showType) {
		case 1:
			smartLoading(isShow, strMsg, obj, imgPrefix);
			break;
		case 2:
			break;
	}
	return false;
}
function smartLoading(isShow, strMsg, obj, imgPrefix) {
	if(!obj) return;
	if(isShow)
		obj.innerHTML = '<table class="PlayQuiztext02" border="0" cellspacing="0" cellpadding="0"><tr><td><img width="16" height="16" src="' + imgPrefix + 'Images/Icons/IcoLoading.gif"></td><td>' + strMsg + '</td></tr></table>';
	else
		obj.innerHTML = '';
}
function clearWatermark(obj, strWatermark) {
	if(!obj) return;
	if(obj.value == strWatermark)
		obj.value = '';
	return;
}
function setWatermark(obj, strWatermark) {
	if(!obj) return;
	if(isEmpty(obj))
		obj.value = strWatermark;
}