//描绘表单
function setinput(obj){
	switch(obj.value){
		case "productname":
			document.getElementById("part1").style.display="";
			document.getElementById("part2").style.display="none";
			document.forms["searchForm"].keywords.value="请输入产品名称";
			break;
		case "productnum":
			document.getElementById("part1").style.display="";
			document.getElementById("part2").style.display="none";
			document.forms["searchForm"].keywords.value="请输入产品编号";
			break;
		case "productprice":
			document.getElementById("part1").style.display="none";
			document.getElementById("part2").style.display="";
			break;
	}
}
//结果筛选
function searchInAll(obj) {

	var selectedValue = "";var keywords = "";var url = "";
	if (obj.IndexArea){
		selectedValue = obj.IndexArea.options[obj.IndexArea.selectedIndex].value;
	}

	if (obj.keywords){
		keywords = obj.keywords.value;
	}
	
	if(selectedValue=="productprice"){
		pricefrom=obj.pricefrom.value;
		priceto=obj.priceto.value;
		re = /^[0-9]+(.[0-9]{1,2})?$/;
		if(re.test(pricefrom)==false || re.test(priceto)==false){
			alert("请正确输入价格区间，正确格式为：1.01")
			return false;
		}
		if(parseFloat(priceto)<=parseFloat(pricefrom)){
			alert("请正确输入价格区间，后者价格必须高于前者价格")
			return false;	
		}
	}else{
    	if ((keywords == "") || (keywords.length <= 1) || (keywords == "输入关键字") || (keywords.substring(0,3) == "请输入")) {
    		alert("请输入关键字，至少两个字符！");
    		return false;
  		}
	}
			
	switch(selectedValue){
	case "productname":
		url="/Product/search.htm?field="+selectedValue+"&value="+keywords;
		obj.method = "post";
		obj.action = url;
		obj.target = "_blank";
		break;
	case "productnum":
		url="/Product/search.htm?field="+selectedValue+"&value="+keywords;
		obj.method = "post";
		obj.action = url;
		obj.target = "_blank";
		break;
	case "productprice":
		url="/Product/search.htm?field="+selectedValue+"&pricefrom="+pricefrom+"&priceto="+priceto;
		obj.method = "post";
		obj.action = url;
		obj.target = "_blank";
		break;
	}
}