/*
 * For use with forms like:
 *
 *	<form class="SeminarSearchForm">
 *		<label for="SearchText">Search Seminars:</label>
 *		<input id="SearchText" type="text">
 *		<input type="submit" value="go">
 *	</form>
 *
 * See also: /css/global.css
 */
function tweakSeminarSearchForm () {
	var defaultSearchText = "search seminars";

	for (var i = 0; i<document.forms.length; i++) {
		var f = document.forms[i];

		if (f.getAttribute("class")!="SeminarSearchForm") continue;

		for (var j = 0; j<f.elements.length; j++) {
			var e = f.elements[j];

			if (e.type=="text") {
				e.value = defaultSearchText;
				e.onfocus = function () {
					if (this.value==defaultSearchText) {
						this.value = '';
					}
				}
				e.onblur = function () {
					if (this.value.match(/^\s*$/)) {
						this.value = defaultSearchText;
					}
				}
			}
		}
	}
}

runOnLoad( tweakSeminarSearchForm );