(function($){
	$.fn.autoselect=function(s2,s3){ 
		var sel=this;
		sel.change(function(){
		if($(s3).attr("class")=="loc3")
		$(s3).html("<option value=0>请选择</option>");
			
		var data={q:sel.val(),q2:$(s3).val()};
		$(s2).html("<option>请稍候...</option>");
		
		$.post("ss_auto.php",$.extend({"action":sel.attr("class")},data),function(data){
			html="<option value=0>请选择</option>";
			
			if(data.data)
			$.each(data.data,function(k,v){
				html+="<option value='"+ v["id"]+"'>"+v["name"]+"</option>"
			});
			$(s2).html(html);
		},"json");
		
	});	
	
	}

})(jQuery);
$(".ssKeyWord").mousedown(function(){
	if($(this).attr("value")=="请输入关键字")
		$(this).attr("value",""); 
	
})
.mouseout(function(){
	if($(this).attr("value")=="")
		$(this).attr("value","请输入关键字"); 
})
var loc1Arr =$(".loc1");
var loc2Arr =$(".loc2");
var loc3Arr =$(".loc3");
$.each( loc1Arr, 
	function(i,loc1){

		$(loc1).autoselect($(loc2Arr[i]),$(loc3Arr[i]));
		$(loc2Arr[i]).autoselect($(loc3Arr[i]),$(loc1));
	});