function CheckStr(strOriginal, strFind, strChange){
		var position, strOri_Length;
		position = strOriginal.indexOf(strFind);
		while (position != -1){
			strOriginal = strOriginal.replace(strFind, strChange);
			position    = strOriginal.indexOf(strFind);
		}
		return strOriginal;
	}

	function CheckStrLen(strOriginal, strFind, strChange){
		var position, strOri_Length;
		position = strOriginal.indexOf(strFind);
		while (position != -1){
			strOriginal = strOriginal.replace(strFind, strChange);
			position    = strOriginal.indexOf(strFind);
		}
		strOri_Length = strOriginal.length;
		return strOri_Length;
	}