function init_rangeslider(){

	$("#area").ionRangeSlider({
	  type: 'double',
	  min: 0,
	  max: 100,
	  from: area_from,
	  to: area_to,
	  values: area_value,
	  grid: false,
	  grid_snap: true,
	  skin: 'round',
	  prettify: labeling_area,
	  onFinish:function(data){
		$("#form").trigger("change");
	  }
	});

	area_slider = $("#area").data("ionRangeSlider");
	
	$("#sell_price").ionRangeSlider({
	  type: 'double',
	  min: 0,
	  max: 1500000000,
	  from: sell_from,
	  to: sell_to,
	  values: sell_value,
	  grid: false,
	  grid_num:1000,
	  grid_snap: true,
	  skin: 'round',
	  prettify: labeling_sell,
	  onFinish:function(data){
		$("#form").trigger("change");
	  }
	});

	sell_slider = $("#sell_price").data("ionRangeSlider");

	$("#deposit_price").ionRangeSlider({
	  type: 'double',
	  min: 0,
	  max: 100000000,
	  from: deposit_from,
	  to: deposit_to,
	  values: deposit_value,
	  grid: false,
	  grid_num:1000,
	  grid_snap: true,
	  skin: 'round',
	  prettify: labeling_deposit,
	  onFinish:function(data){
		$("#form").trigger("change");
	  }
	});

	deposit_slider = $("#deposit_price").data("ionRangeSlider");

	$("#rent_price").ionRangeSlider({
	  type: 'double',
	  min: 0,
	  max: 5000000,
	  from: rent_from,
	  to: rent_to,
	  values: rent_value,
	  grid: false,
	  grid_snap: true,
	  skin: 'round',
	  prettify: labeling_rent,
	  onFinish:function(data){
		$("#form").trigger("change");
	  }
	});

	rent_slider = $("#rent_price").data("ionRangeSlider");

	$("#floor").ionRangeSlider({
	  type: 'double',
	  min: -2,
	  max: 28,
	  from: floor_from,
	  to: floor_to,
	  values: floor_value,
	  grid: false,
	  grid_snap: true,
	  skin: 'round',
	  prettify: labeling_floor,
	  onFinish:function(data){
		$("#form").trigger("change");
	  }
	});

	floor_slider = $("#floor").data("ionRangeSlider");
}


function labeling_sell(ts) {
	if(ts == 0) {
		return "0원"
	} else if(ts >= 1500000000) return "제한없음";
	else return numberToKorean(ts) + "원";
}

function labeling_deposit(ts) {
	if(ts == 0) {
		return "0원"
	} else if(ts >= 100000000) return "제한없음";
	else return numberToKorean(ts) + "원";
}

function labeling_rent(ts) {
	if(ts == 0) {
		return "0원"
	} else if(ts >= 5000000) return "제한없음";
	else return numberToKorean(ts) + "원";
}

function labeling_area(ts) {
	if(ts >= 100) return "제한없음";
	else return ts + "평";
}

function labeling_floor(ts) {
	return ts + "층";
}

function numberToKorean(number){
	
    var inputNumber  = number < 0 ? false : number; /* 금액이 0보다 작은 것은 성립하지 않는다 */
    var unitWords    = ['', '만', '억', '조', '경'];
    var splitUnit    = 10000;
    var splitCount   = unitWords.length;
    var resultArray  = [];
    var resultString = '';

    for (var i = 0; i < splitCount; i++){
        var unitResult = (inputNumber % Math.pow(splitUnit, i + 1)) / Math.pow(splitUnit, i);
        unitResult = Math.floor(unitResult);
        if(unitResult>=1000){
        	resultArray[i] = unitResult/1000 + "천";
        } else if (unitResult >= 100){
        	resultArray[i] = unitResult/100 + "백";
        } else if (unitResult > 0){
            resultArray[i] = unitResult;
        } 
    }

    for (var i = 0; i < resultArray.length; i++){
        if(!resultArray[i]) continue;
        resultString = String(resultArray[i]) + unitWords[i] + resultString;
    }

    return resultString;
}