const mesgString = 'google search';
const searchUrl = 'http://www.google.com/search?q=';

function checkSearch(foo) {

	if (!setToString(foo)) {
		var query = foo.value;
		foo.value = mesgString;
		doSearch(query);
	}
}

function clearForSearch(foo) {
	if (foo.value == mesgString) {
		foo.value = "";
	}
}

function setToString(foo) {
	if (foo.value != "" && foo.value != mesgString) {
		return false;
	} else {
		foo.value = mesgString;
		return true;
	}
}

function doSearch(url) {
	var load = window.open(
			searchUrl + url,
			'',
			'scrollbars=yes,height=600,width=800,resizable=yes,'
			+ 'toolbar=yes,location=yes'
		);
}