/*
	--------------------------------
	Created: 2007.11.09
	Last Modified: 2007.11.09
	--------------------------------


/* --------------------------------
	Site Search
-------------------------------- */

function SiteSearch() {
	// 初期化
	this.init = function(form, input) {
		if(typeof form == 'string') form = document.getElementById(form);
		if(typeof input == 'string') input = document.getElementById(input);
		if(form && input){
			var self = this;
			form.onsubmit = function() {self.submit(form, input); return false;}
			mitsubishi.addEvent(input, 'focus', function() {self.clear(input);}, false);
			mitsubishi.addEvent(input, 'blur', function() {self.reset(input);}, false);
		}
	}

	// 文字色
	this.textColor = {
		blur: '#727272',
		focus: '#444'
	}

	// クリア
	this.clear = function(elem) {
		if(elem.value == elem.defaultValue) {
			elem.style.color = this.textColor.focus;
			elem.value = '';
		}
	}

	// リセット
	this.reset = function(elem) {
		if(elem.value == '') {
			elem.style.color = this.textColor.blur;
			elem.value = elem.defaultValue;
		}
	}

	// 送信
	this.submit = function(form, input) {
		if(input.value == '' || input.value == input.defaultValue) {
			alert('検索内容を入力してください');
		} else {
			form.submit();
		}
	}
}