$(function(){
	var price = 'all';
	var area = 'all';
	var type = 'all';
	var sales = 'all';
	
	var getURL =function(price,area,type,sales){
		return '?price='+ price + '&area='+area+'&type='+type+'&sales='+sales;
	}
	
	var getAllURL = function(){
		price = 'all';
		area = 'all';
		type = 'all';
		sales = 'all';
		return '?price='+ price + '&area='+area+'&type='+type+'&sales='+sales;
	}
	
	//选择事件
	$("#area_select select").bind('change',function(){		
		//获取选择的属性
		if($(this).is("#price")){
			price = $(this).val();
		}
		if($(this).is("#area")){
			area = $(this).val();
		}
		if($(this).is("#type")){
			type = $(this).val();	
		}
		if($(this).is("#sales")){
			sales = $(this).val();	
		}
		
		url = getURL(price,area,type,sales);
		iframe_src(url);
	});
	
	//读取iframe的src属性值
	var iframe_src = function(url){
		if($('#mpMain iframe').attr('src')== null){
			$('#mpMain iframe').attr('src','column/map.php'+getAllURL());
		}else{
			$('#mpMain iframe').attr('src','column/map.php'+url);
		}
		
		mapOpen();
	}
	
	var mapOpen = function(){
		//判断下拉框是否显示
		if($('#mpMain').css('display') == 'none'){
			$('#mpMain').slideDown('slow');
		}
	}
	
	//全部按钮事件
	$(".allbtn").bind('click',function(){
		$('#mpMain iframe').attr('src','');
		url = getAllURL();
		iframe_src(url);
		$('#area_select select :first-child').attr('selected',"selected");
	});
	
	$("#map").bind('click',function(){
		$('#mpMain iframe').attr('src','');
		url = getAllURL();
		iframe_src(url);
		$('#area_select select :first-child').attr('selected',"selected");
		$(this).hide();
	});
});