var xmlHttp;
function createHttp()
{
if (window.ActiveXObject)
{ xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
}
else if (window.XMLHttpRequest)
{
xmlHttp=new XMLHttpRequest();
}
}
function getData()
{
var city=document.getElementById("seach1_DropDownList1").options[document.getElementById("seach1_DropDownList1").selectedIndex].value;
createHttp();
xmlHttp.onreadystatechange=statechange;
xmlHttp.open("POST","datapage.aspx?lei="+city,true);
xmlHttp.Send();
//window.location.href="datapage.aspx?lei="+city;
}
function statechange()
{
if(xmlHttp.readystate==4&&xmlHttp.status==200)
{
FillData(xmlHttp.responseText);
}
}
function FillData(strCity)
{
document.getElementById("seach1_DropDownList2").options.length=0;
var indexofcity; var city;
//分割传递来的字符串
while(strCity.length>0)
{
//判断是否是最后一个字符串
indexofcity = strCity.indexOf(",");
if (indexofcity > 0)
{ city = strCity.substring(0,indexofcity);
strCity = strCity.substring(indexofcity+1);
//填充DropDownList1
txtleght=city.length;
vlueindex=city.indexOf("|");
value=city.substring(0,vlueindex);
text=city.substring(vlueindex+1,txtleght);
document.getElementById("seach1_DropDownList2").add(new Option(text,value));
}
else
{
txtleght=strCity.length;
vlueindex=strCity.indexOf("|");
value=strCity.substring(0,vlueindex);
text=strCity.substring(vlueindex+1,txtleght);
document.getElementById("seach1_DropDownList2").add(new Option(text,value));
break;
}
}
}
function tj()
{
key=document.getElementById("seach1_TextBox1").value;
kd=document.getElementById("seach1_DropDownList2").options[document.getElementById("seach1_DropDownList2").selectedIndex].value;
window.location.href="seach.aspx?c_kind=148&c_kind2=149&searchkey=" + key + "&kd=" +kd;
}
.bt{left: 135px;
position: absolute;
top: 3px;}
1、先导方式:外部与内部可选
2、滑柱式结构,密封性好,反应灵敏;
3、三位置电磁阀有三种中央功能可供选择;
4、双头二位置电磁阀具有记忆功能;
5、内孔采用特殊工艺加工,磨擦阻力小,启动气压低,使用寿命长;
6、无需加油润滑;
7、可与底座集成阀组,节省安装空间;
8、附设手动装置,利于安装调试;
9、有多种标准电压等级可供选用。