// JavaScript Document
window.onload = function(){
	var wordinput = document.getElementById("keyword");
	wordinput.onfocus = function(){
		this.value = "";
		this.style.color = "#000"
	}
	wordinput.onblur = function(){
		if(this.value == ""){
			this.value = "搜索";
			this.style.color = "#bbb"
		}
	}
}