function yahoo_custom () {
	var sb = document.getElementById('srchBox');
	if (sb && sb.className == 'watermark') {
		var si = document.getElementById('srchInput');
		var f = function() { si.className = 'nomark'; };
		var b = function() {
			if (si.value == '') {
				si.className = '';
			}
		};
		si.onfocus = f;
		si.onblur = b;
		if (!/[&?]p=[^&]/.test(location.search)) {
			b();
		} else {
			f();
		}
	}
}