function addEvent( obj, type, fn ) {
	if (obj.addEventListener)
		obj.addEventListener( type, fn, false );
	else if (obj.attachEvent) {
		obj["e"+type+fn] = fn;
		obj[type+fn] = function() { obj["e"+type+fn]( window.event ); }
		obj.attachEvent( "on"+type, obj[type+fn] );
	}
}

addEvent(window, 'load', function() {
	var searchBox = document.getElementById("txtSearch");
	
	searchBox.onfocus = function() {
		if (searchBox.value == "search")
			searchBox.value = "";
	}

searchBox.onblur = function () { 
		if (searchBox.value.length == 0)
			searchBox.value = "search";
	}
});