$.ajaxSetup ({
    cache: false
});
$(document).ready(function(){
	market(); 
	productname(); 
	market1(); 
	productname1(); 
	$("#areaid").change(function(){ 
		market(); 
	});
	$("#products").change(function(){ 
		productname(); 
	});
	$("#areaid1").change(function(){ 
		market1(); 
	});
	$("#products1").change(function(){ 
		productname1(); 
	}); 
});
function market(){
    $.getJSON("market.php",{areaid:$("#areaid").val()},function(json){ 
        var shi = $("#market");
		shi.empty();
		$.each(json,function(index,array) {
            shi.append("<option value='"+array['id']+"'>"+array['title']+"</option>");
        }); 
    }); 
}
function productname(){ 
    $.getJSON("productname.php",{products:$("#products").val()},function(json){ 
        var productn = $("#productname");
        productn.empty();
		$.each(json,function(index,array){ 
            productn.append("<option value='"+array['id']+"'>"+array['title']+"</option>"); 
        }); 
    }); 
}
function market1(){
    $.getJSON("market.php",{areaid:$("#areaid1").val()},function(json){ 
        var shi = $("#market1");
		shi.empty();
		$.each(json,function(index,array) {
            shi.append("<option value='"+array['id']+"'>"+array['title']+"</option>");
        }); 
    }); 
}
function productname1(){ 
    $.getJSON("productname.php",{products:$("#products1").val()},function(json){ 
        var productn = $("#productname1");
        productn.empty();
		$.each(json,function(index,array){ 
            productn.append("<option value='"+array['id']+"'>"+array['title']+"</option>"); 
        }); 
    }); 
} 
$(document).ready(function(){
	$("#button1").click(function(){
		if($("#areaid").val()==""){
			alert("请选择地区");
			$("#areaid").focus();
			return false;
		}
		if($("#market").val()==""){
			alert("请选择市场");
			$("#market").focus();
			return false;
		}
	});
	$("#button2").click(function(){
		if($("#products").val()==""){
			alert("请选择产品类别");
			$("#products").focus();
			return false;
		}if($("#productname").val()==""){
			alert("请选择产品");
			$("#productname").focus();
			return false;
		}
		});
	$("#button3").click(function(){
		if($("#areaid1").val()==""){
			alert("请选择地区");
			$("#areaid1").focus();
			return false;
		}if($("#market1").val()==""){
			alert("请选择市场");
			$("#market1").focus();
			return false;
		}if($("#products1").val()==""){
			alert("请选择产品类别");
			$("#products1").focus();
			return false;
		}if($("#productname1").val()==""){
			alert("请选择产品");
			$("#productname1").focus();
			return false;
		}
		$("#quxian").attr("src","http://www.cct114.com/picture/index.php?areaid="+$("#areaid1").val()+"&market="+$("#market1").val()+"&inputdate2="+$("#inputdate4").val()+"&products="+$("#products1").val()+"&productname="+$("#productname1").val()+"&type="+$("#type3").val())
		});
});