function selectIndustry()
{
	var parentID = document.all["selIndustry"].options[document.all["selIndustry"].selectedIndex].value;
	if (parentID != "0")
	{
	var arrName = "arrIndustry" + parentID;
	document.all["selChildIndustry"].length = 1;
	for(i = 1;i<eval(arrName).length;i++)
	{
		document.all["selChildIndustry"].options[i] = new Option(eval(arrName)[i],eval(arrName)[i]);
	}
	}
	
}
function trim(val)
{
	var str = val+"";
	if (str.length == 0) return str;
	var re = /^\s*/;
	str = str.replace(re,'');
	re = /\s*$/;
	return str.replace(re,'');
}
function searchClick()
{
	var provinceID = document.all["selProvince"].options[document.all["selProvince"].selectedIndex].value;
	var catID1 = document.all["selIndustry"].options[document.all["selIndustry"].selectedIndex].value;
	var catID2 = document.all["selChildIndustry"].options[document.all["selChildIndustry"].selectedIndex].value;
	var keyword = trim(document.all["keyword"].value);
	if (provinceID == "0" && catID1 == "0" && catID2 == "0" && keyword == "")
	{
		alert("ÇëÑ¡Ôñ¼ìË÷Ìõ¼þ£¡");
	}
	else
	{
		location.href="http://www.bizdw.com/search.aspx?ProvinceID="+provinceID+"&CatID1="+catID1+"&CatID2="+catID2+"&Keyword="+keyword;
	}
}