var m=0;
var n=0;

function clear(obj1){
	obj1.length = 0;
	}

function fullup(obj1,val,text){
	var vn = new Option(val,text); 
	 //alert("文本："& a[n][i][2] &" 值："& a[n][i][1]);
	 //alert('增加：文本：'+ text +' 值：'+ val);
     obj1.add(vn);
	}

function sel(val,obj){
	for (i=0;i<obj.length;i++){
		if (obj[i][0][0]==val){
			return i;
			}
		}
	if (i==obj.length){return -1;}
}

function SelectArea()
{
	
	Dbox = document.InputForm.DistrictID;
	Abox = document.InputForm.AreaID;

	var Dval,n=0;
 	Dval = Dbox.value;
 	n	 = sel(Dval,a);

 	clear(Abox);

 	if(n==-1) {
 		fullup(Abox,"暂无","0");
 		return false;
 		}
 	
 	//fullup(Abox,"请选择","0");
	for(i=0;i<a[n].length;i++)
 		{	
 			fullup(Abox,a[n][i][2],a[n][i][1]);
 		}
	fullup(Abox,"其他地区","0");
	return false;
}

function isValidEmail(email)
{
	invalidChars = ' /:,;';
	if( email == '' )return false;				
	for( i = 0; i < invalidChars.length; i++ ) 
	{
		badchar = invalidChars.substring( i, i+1 );
		if( email.indexOf( badchar, 0 ) > -1) return false;
	}
	
	atPos = email.indexOf( '@', 1 );	
	if( atPos == -1 ) return false;
	if( email.indexOf( '@', atPos + 1 ) > -1 ) return false;
	periodPos = email.indexOf( '.', atPos )
	if( periodPos == -1 ) return false;
	if( periodPos + 2 > email.length )return false;
	return true;
}

function ischinese(str)	{
			var reg=/[^A-Za-z0-9_]/g
			if (reg.test(str)){
				return (true);}
			else {
				return(false); 
				}
			}

function isNumeric(str)	{
			var reg=/[^0-9_]/g
			
			if (reg.test(str)){
				return (true);}
			else {
				return(false); 
				}
			}

function checkNumeric(obj,str) { 

		var l;
		if(!checkNull(obj,str))return false;

		l = obj.value.length;
		for (var i = 0; i < l; i++)  {
			 if (isNumeric(obj.value.charAt(i)))
			 {		
				alert(str+'必须为数字!'); 	
				obj.select();
				obj.focus();
				return false;
			 }
		}
		return true;
	}

function checkSelect(obj,str) { 

		var v;
		v = obj.value;
		if(obj.selectedIndex==0){
		   alert('请选择:'+str);
		   obj.focus();
		   return false;
		}
		return true;
	}

function checkIsNumeric(obj,str) { 

		if(!obj.value)
			{
				obj.value = '0';
				return true;
				}
		var l;
		l = obj.value.length;
		for (var i = 0; i < l; i++)  {
			 if (isNumeric(obj.value.charAt(i)))
			 {		
				alert(str+'必须为数字!'); 	
				obj.select();
				obj.focus();
				return false;
			 }
		}
		return true;
	}

function checkLen(obj,n,str)
	{
		if(obj.value.length > n)
			{
			alert(str+'的长度超过了'+ n +'字!');
			obj.value = obj.value.substring(1,n);
			obj.select();
			obj.focus();
			return false;
			}
		return true;
	}

function checkNull(obj,str)
	{
		if (!obj.value)
		{		
		   alert(str+'必须填写!');
		   obj.select();
		   obj.focus();
		   return false;
		}
		return true;
	}

function CheckSubmit_rentinfo()
	{
	if(!checkNull(window.document.InputForm.Title," 信息标题 "))return false;
	if(!checkNull(window.document.InputForm.WyName," 物业名称 "))return false;
	if(!checkNull(window.document.InputForm.WyAddress," 物业地址 "))return false;
	
	if(!checkSelect(window.document.InputForm.DistrictID," 所属地区")) return false;

	if(!checkIsNumeric(window.document.InputForm.HBuildDate,"建筑年份"))return false;
	if(!checkIsNumeric(window.document.InputForm.HBuildArea,"建筑面积"))return false;
	if(!checkIsNumeric(window.document.InputForm.HUsedArea,"使用面积"))return false;

	if(!checkNumeric(window.document.InputForm.Hall,"房型：厅"))return false;
	if(!checkNumeric(window.document.InputForm.Room,"房型：室"))return false;
	
	if(!checkIsNumeric(window.document.InputForm.Kitchen,"房型：厨房"))return false;
	if(!checkIsNumeric(window.document.InputForm.Toilet,"房型：卫生间"))return false;
	if(!checkIsNumeric(window.document.InputForm.Terrace,"房型：阳台"))return false;

	if(!checkIsNumeric(window.document.InputForm.HCurFloor,"楼层")) return false ;
	if(!checkIsNumeric(window.document.InputForm.HAllFloor,"总楼层")) return false ;
	if(!checkLen(window.document.InputForm.Memo,245,"备注信息")) return false;

	if(!checkNumeric(window.document.InputForm.RentPrice,"月租价格")) return false ;

	if(!checkNull(window.document.InputForm.LandlordName,"您称呼 "))return false;
	if(!checkNull(window.document.InputForm.LandlordTel," 联系电话 "))return false;

	if(!confirm('您确认上述房源信息填写无误，要发布此信息吗？'))return false;
	return true;
	}