function settitle(topTagId) {
	if (topTagId == 0) {
		document.getElementById("title_name").innerHTML = "所有产品分类";
		document.getElementById("topTagId").value = "";
	} else if (topTagId == 1) {
		document.getElementById("title_name").innerHTML = "胶印油墨";
		document.getElementById("topTagId").value = "1";
	} else if (topTagId == 2) {
		document.getElementById("title_name").innerHTML = "丝印油墨";
		document.getElementById("topTagId").value = "2";
	} else if (topTagId == 3) {
		document.getElementById("title_name").innerHTML = "胶印材料";
		document.getElementById("topTagId").value = "3";
	} else if (topTagId == 4) {
		document.getElementById("title_name").innerHTML = "丝印材料";
		document.getElementById("topTagId").value = "4";
	} else if (topTagId == 5) {
		document.getElementById("title_name").innerHTML = "其它材料";
		document.getElementById("topTagId").value = "5";
	}else if (topTagId == 6) {
		document.getElementById("title_name").innerHTML = "机械配件";
		document.getElementById("topTagId").value = "6";
	}
}
function search() {
	document.searchForm.submit();
}
function AddFavorite(sURL, sTitle) {
	try {
		window.external.addFavorite(sURL, sTitle);
	} catch (e) {
		try {
			window.sidebar.addPanel(sTitle, sURL, "");
		} catch (e) {
			alert("加入收藏失败，请使用Ctrl+D进行添加");
		}
	}
}
function validateSearchSubmit() { // 验证提交搜索
	var keywords = document.searchForm.keywords.value;
	if (keywords == null || keywords == "" || keywords == "请输入关键字") {
		alert("请输入关键字！");
		return false;
	}
	return true;
}

function setValue(field, isFocus) { // 设置关键字输入框显示样式以及内容
	if (isFocus) {
		if ("请输入关键字" == field.value) {
			field.value = "";
		}
		field.style.color = "black";
	} else {
		if (field.value == null || field.value == "") {
			field.value = "请输入关键字";
			field.style.color = "darkgray";
		} else if ("请输入关键字" == field.value) {
			field.style.color = "darkgray";
		} else {
			field.style.color = "black";
		}
	}
}
function setBlogValue(field, isFocus) { // 设置关键字输入框显示样式以及内容
	if (isFocus) {
		if ("印刷知识搜索" == field.value) {
			field.value = "";
		}
		field.style.color = "black";
	} else {
		if (field.value == null || field.value == "") {
			field.value = "印刷知识搜索";
			field.style.color = "darkgray";
		} else if ("印刷知识搜索" == field.value) {
			field.style.color = "darkgray";
		} else {
			field.style.color = "black";
		}
	}
}

function setDefKeywords() {
	var objs = document.getElementsByName("keywords");
	var blogValue=document.getElementById("blogValue").value;
	if (objs == null)
		return;
	for ( var i = 0, len = objs.length; i < len; i++) {
		if(blogValue=="true"){
			if (objs[i].value == null || objs[i].value == ""
				|| "印刷知识搜索" == objs[i].value) {
				objs[i].value = "印刷知识搜索";
				objs[i].style.color = "darkgray";
			}
		}
		else{
			if (objs[i].value == null || objs[i].value == ""
				|| "请输入关键字" == objs[i].value) {
				objs[i].value = "请输入关键字";
				objs[i].style.color = "darkgray";
			}
		}
	}
}

function initAdvSearch(province, city, days) {
	if (province != "") {
		if (document.getElementsByName("provinceId") != null) {
			document.getElementsByName("provinceId")[0].value = province;
			// addOptions2(CityList[province],
			// document.getElementsByName("city")[0]);

		}
	}
	if (city != "") {
		if (document.getElementsByName("cityId") != null)
			document.getElementsByName("cityId")[0].value = city;
	}
	if (days != "") {
		if (document.getElementsByName("days"))
			document.getElementsByName("days")[0].value = days;
	}
}

function checkSearch() {
	var $ = Function("id", "return document.getElementById(id)");
	if (($("keyword").value == "" || $("keyword").value == "请输入关键字")
			&& $("provinceId").value == "" && $("cityId").value == ""
			&& $("days").value == "") {
		alert("请至少输入一项搜索条件!");
		return false;
	}
	if ($("keyword").value == "请输入关键字")
		$("keyword").value = "";
}