//组合搜索初始化
$(document).ready(function(){
    $('#selgender').empty();  
    $('#selgender').append('<option value=\"0\">请选择款式</option>'); 
    $('#selbrand').empty();  
    $('#selbrand').append('<option value=\"0\">请选择品牌</option>'); 
    $('#selbig').empty();  
    $('#selbig').append('<option value=\"0\">请选择大类</option>'); 
    $.ajax({
        url: "/ajax/plist.aspx?t=INIT",
            async: false,
            cache: false,
            datatype: "json",
            contentType: "application/json",
            success: function(data) {
	            if (data != null && data != "") {
		            data = eval("(" + data + ")");
		            var i=0
		            var selg=document.getElementById("selgender");
		            while (typeof (data.Gender[i]) == 'object') {
					  selg.options.add(new Option(data.Gender[i].name,data.Gender[i].id));
					  i++;
				    }
				    var i=0
				    var selbr=document.getElementById("selbrand");
		            while (typeof (data.Brand[i]) == 'object') {
					  selbr.options.add(new Option(data.Brand[i].Brand,data.Brand[i].id));
					  i++;
				    }
				    var i=0
				    var selbg=document.getElementById("selbig");
		            while (typeof (data.Types[i]) == 'object') {
					  selbg.options.add(new Option(data.Types[i].Type,data.Types[i].id));
					  i++;
				    }
	            }
            }
        });  
});
//改变大类
function changbig(){
    var d=$("#selbig").val();    
    $('#selsmall').empty();  
    $('#selsmall').append('<option value=\"0\">请选择小类</option>');    
    $('#selsize').empty();  
    $('#selsize').append('<option value=\"0\">请选择尺码</option>');  
    if(d!=0){
        $.ajax({
        url: "/ajax/plist.aspx?t=CBIG&d="+d,
            async: false,
            cache: false,
            datatype: "json",
            contentType: "application/json",
            success: function(data) {
	            if (data != null && data != "") {
		            data = eval("(" + data + ")");
		            var i=0
		            while (typeof (data.Smalls[i]) == 'object') {
					  document.getElementById("selsmall").options.add(new Option(data.Smalls[i].Small,data.Smalls[i].id));
					  i++;
				    }
				    var i=0
		            while (typeof (data.Sizes[i]) == 'object') {
					  document.getElementById("selsize").options.add(new Option(data.Sizes[i].Size,data.Sizes[i].Size));
					  i++;
				    }
	            }
            }
        });
    }
}
//点击按钮搜索事件
function GoRts(){
    var querystr="";
    if($("#selbrand").val()!="0")
    {
        querystr=pack(querystr,"brand="+escape($("#selbrand").val()));
    }
    if($("#selgender").val()!="0")
    {
        querystr=pack(querystr,"Gender="+escape($("#selgender").val()));
    }
    if ($("#selbig").val() != "0") {  
        querystr=pack(querystr,"pt="+escape($("#selbig").val()));
    } 
    if ($("#selsmall").val() != "0") {  
        querystr=pack(querystr,"pl="+escape($("#selsmall").val()));
    }
    if ($("#selsize").val() != "0") {  
        querystr=pack(querystr,"size="+escape($("#selsize").val()));
    }
    if ($("#selprice").val()!= "0") {  
        querystr=pack(querystr,"price="+escape($("#selprice").val()));
    }

    if ($("#iptlkey").val()!= "请输入关键字" && $("#iptlkey").val()!="") {
        querystr=pack(querystr,"key="+escape($("#iptlkey").val()));
    }

    if(querystr.length==0){
      alert("请选择搜索条件！");
      $('#selbrand').focus();
    return;
    }
    else{
//    alert(querystr);
     location.href="/Search.aspx?"+querystr; 
    }
}
//组合参数
function pack(str,newstr){
  if(str.length==0)
    return newstr;
  else
    return str+"&"+newstr;
}