init_search_box = function() {
	var what = document.getElementById('what');
	what.defaultValue = what.value;

	what.onfocus = function() {
		if (this.value == this.defaultValue) {
			this.value = '';
			this.style.fontStyle = 'normal';
		}
	};

	what.onblur = function() {
		if (this.value == '') {
			this.value = this.defaultValue;
			this.style.fontStyle = 'italic';
		}
	};
};

if (window.attachEvent) {
	window.attachEvent('onload', init_search_box);
} else {
	window.addEventListener('load', init_search_box, false);
}