function init(){
	document.forms['sf'].elements['search'].onfocus = function(){
		if(this.value == 'サイト検索'){
			this.value = '';
			this.style.color = "#000000";
		}
		this.style.backgroundColor = "#ffffee"; this.select();
	}
	document.forms['sf'].elements['search'].onblur = function(){
		if(this.value == ''){
			this.value = 'サイト検索';
			this.style.color = "#aaaaaa";
		}
		this.style.backgroundColor = "#ffffff";
	}
}