area_list=new Array("","安芸区","安佐北区","安佐南区","佐伯区","中区","西区","東区","南区","廿日市市","呉市","東広島市","その他");
building_type_list=new Array("","マンション","アパート","一戸建て","土地");

// 表示関係
function number_format(num){
	if(num<0){
		return "-"+number_format(num);
	}else if(num>1000){
		return number_format(Math.floor(num/1000))+","+(1000+num % 1000+"").substring(1);
	}else{
		return num;
	}
}

function novalue(val,unit,text){
	if(isNaN(val) && val==0  || !isNaN(val) && val==""){
		return text;
	}
	return val+unit;
}

// フォーム関係
function numonly(){
	c=String.fromCharCode(event.keyCode);
	if('-0123456789'.indexOf(c,0)<0){
		event.returnValue=false;
	}
}

function noenter(){
   if(event.keyCode == 13){return false;}
}

// クッキー関係
function get_cookie(nm){
	data = document.cookie+";";
	sp = data.indexOf( nm+"=" );
	if(sp != -1){
		ep = data.indexOf( ";" , sp );
		return unescape( data.substring( sp + nm.length , ep ) );
	}
	return null;
}

function set_cookie(nm,vl){
	exp = new Date();
	exp.setTime( exp.getTime() + (1000*60*60*24*14) );
	exp_str = exp.toGMTString();
	document.cookie = nm + "=" + escape(vl) + ";expires=" + exp_str;
}

function del_cookie(nm){
	exp = new Date();
	exp.setTime( exp.getTime() - (1000*60*60*24*14) );
	exp_str = exp.toGMTString();
	document.cookie = nm + "=" + ";expires=" + exp_str;
}