// JScript 文件

document.write("<form id=\"form1\" method=\"get\" onSubmit=\"return submitSearch()\"  action=\"../Search/search.aspx\", content=\"text/html; charset=utf-8\"> ");
document.write("<input  name=\"keyword\" type=\"text\" class=\"src_inpurt\" value=\"请输入您感兴趣的产品\" onclick=\"javascript:if(this.value.substring(0,3)=='请输入') this.value=''\" /><select name=\"type\" style=\" float: left; margin-left: 5px;\"><option value='supply' selected >供应信息</option><option value='purchase'>求购信息</option><option value='company'>公司库</option><option value='news'>行业资讯</option><option value='product'>产品信息</option><option value='expo'>展会信息</option></select><input id=\"Sub1\" type=\"image\" value=\"\" src=\"/images/search.gif\" style=\" float:left; margin-left: 5px;\" /></form>");
 function submitSearch() {
     var val = form1.keyword.value.trim();
     if (val == "" || val.substring(0, 3) == '请输入') {
         alert("请输入关键字");
         form1.keyword.value = "";
         form1.keyword.focus();
     } else {
         this.location.href = "../Search/search.aspx?keyword=" + val + "&type=" + form1.type.value;
     }
     return false;
 }
 var keyword = GetQueryString("keyword");
 if (keyword != null) {
     form1.keyword.value = keyword;
 }

 for (var i = 0; i < form1.type.options.length; i++) {
     if (window.location.href.toLowerCase().indexOf(form1.type.options[i].value)>=0) {
        form1.type.options[i].selected = "selected";
         break;
     }
 }     

 function GetQueryString(name) {
     var reg = new RegExp("(^|&)" + name + "=([^&]*)(&|$)");
     var r = window.location.search.substr(1).match(reg);
     if (r != null) return decodeURI(r[2]); return null;
 }