window.onload = function () {
  if (!document.getElementsByTagName) return false;
		var searchBox;
		searchBox = document.getElementById("keyword");

			searchBox.onclick = function() {
				searchBox.value = "";
				searchBox.className = "active";
    		    return false;
			}
			searchBox.onblur = function() {
				if(searchBox.value == "") {
					searchBox.value = "Enter Keyword";
					searchBox.className = "nonActive";
    		    	return false;
    		    }
			}

}