var message = "请输入您感兴趣的信息";
var peleseChoose = "对不起，您至少选中一个选项！";

//浏览器版本检测提示
//version();

/**
 * 搜索分类
 */
function selectSearchPart() {
  	var ddl = document.getElementById("searchPart");
  	var index = ddl.selectedIndex;
  	var value = ddl.options[index].value;
	document.searchForm.action = value;
}

/**
 * 验证搜索表单(right)
 */
function validateAdvanceSearchForm(form) {
	if(form.searchKeywords.value.substring(0,3)=='请输入') {
		alert(message);
		return false;		
	}
	//
	if(form.searchKeywords.value=='') {
		alert(message);
		return false;
	}
	//
	if(isNotBlank(form.price1.value)) {
		if(!isFloat(form.price1.value)) {
			alert("请输入数字进行价格筛选！");
			//form.price1.focus();
			return false;
		}
		if(form.price1.value < 0) {
			alert("请输入正数进行价格筛选！");
			//form.price1.focus();
			return false;			
		}
	}
	//
	if(isNotBlank(form.price2.value)) {
		if(!isFloat(form.price2.value)) {
			alert("请输入数字进行价格筛选！");
			//form.price2.focus();
			return false;
		}
		if(form.price2.value < 0) {
			alert("请输入正数进行价格筛选！");
			//form.price2.focus();
			return false;			
		}		
	}
	//
	if(isNotBlank(form.minOrder.value)) {
		if(!isInteger(form.minOrder.value)) {
			alert("请输入整数进行定量筛选！");
			//form.minOrder.focus();
			return false;
		}
		if(form.minOrder.value < 0) {
			alert("请输入正数进行定量筛选！");
			//form.minOrder.focus();
			return false;
		}
	}
	return true;
}



/**
 * 验证搜索表单(right)
 */
function validateAdvanceSearchFormForSelling(form) {
	if(form.searchKeywords.value.substring(0,3)=='请输入') {
		alert(message);
		return false;		
	}
	//
	if(isNotBlank(form.price1.value)) {
		if(!isFloat(form.price1.value)) {
			alert("请输入数字进行价格筛选！");
			//form.price1.focus();
			return false;
		}
		if(form.price1.value < 0) {
			alert("请输入正数进行价格筛选！");
			//form.price1.focus();
			return false;			
		}
	}
	//
	if(isNotBlank(form.price2.value)) {
		if(!isFloat(form.price2.value)) {
			alert("请输入数字进行价格筛选！");
			//form.price2.focus();
			return false;
		}
		if(form.price2.value < 0) {
			alert("请输入正数进行价格筛选！");
			//form.price2.focus();
			return false;			
		}		
	}
	//
	if(isNotBlank(form.minOrder.value)) {
		if(!isInteger(form.minOrder.value)) {
			alert("请输入整数进行定量筛选！");
			//form.minOrder.focus();
			return false;
		}
		if(form.minOrder.value < 0) {
			alert("请输入正数进行定量筛选！");
			//form.minOrder.focus();
			return false;
		}
	}
	return true;
}


/**
 * 验证搜索表单(帮助)
 */
function validateHelpSearchForm(form) {
	if(form.searchKeywords.value.substring(0,3)=='请输入') {
		alert(message);
		return false;
	}
	if(form.searchKeywords.value=='') {
		alert(message);
		return false;
	}
	return true;
}


/**
 * 验证搜索表单(帮助)
 */
function validateHelpSearchFormForSelling(form) {
	if(form.searchKeywords.value.substring(0,3)=='请输入') {
		alert(message);
		return false;
	}
	return true;
}

/**
 * 验证表单
 */
function validateFormForTodayNews(form) {
	if(form.searchKeywords.value.substring(0,3)=='请输入') {
		alert(message);
		return false;
	}
	return true;
}


/**
 * 更多>> 相关关键词
 */
function showSingle() {
	getElementByID("single_sort").style.display = "block";
	getElementByID("more_sort").style.display = "none";
}

/**
 * 简洁显示>> 相关关键词
 */
function showMore() {
	getElementByID("single_sort").style.display = "none";
	getElementByID("more_sort").style.display = "block";
}

/**
 * 更多>> 相关目录
 */
function showSingle2() {
	getElementByID("single_sort2").style.display = "block";
	getElementByID("more_sort2").style.display = "none";
}

/**
 * 简洁显示>> 相关目录
 */
function showMore2() {
	getElementByID("single_sort2").style.display = "none";
	getElementByID("more_sort2").style.display = "block";
}


/**
 * 更多
 */
function showSearchMore() {
	getElementByID("ListTerms_More").style.display = "block";
	getElementByID("shaixuan").href = "javascript:showSearchLess()";
	getElementByID("shaixuanText").innerHTML="精简";
	getElementByID("shaixuanPic").src = "/images/search_less.gif";
	getElementByID("shaixuanPic").alt = "显示精简搜索条件";
}

/**
 * 精简
 */
function showSearchLess() {
	getElementByID("ListTerms_More").style.display = "none";
	getElementByID("shaixuan").href = "javascript:showSearchMore()";
	getElementByID("shaixuanText").innerHTML="更多";
	getElementByID("shaixuanPic").src = "/images/search_more.gif";
	getElementByID("shaixuanPic").alt = "显示全部搜索条件";
}