function into(obj){
	obj.value="";
	obj.style.borderColor="#C11A20";
	obj.style.borderWidth="2px";
}
function outto(obj){
	if(obj.value==""){
		obj.value="Search";
		obj.style.borderColor="#999";
		obj.style.borderWidth="1px";
	}
}
function ifnu(obj){
	if(obj.value==""||obj.value=="Search"){
		alert("Please enter a keyword!");
	}
}