function show_tbl(pre,n,select_n)
{
	for(i=1;i<=n;i++)
	{
	var tbl= document.getElementById(pre+i);
	
	tbl.style.display="none";
		for(var j=1;j<=4;j++)
		{
			var imgs1=document.getElementById("imgs" + i + j + "1");
			var imgs2=document.getElementById("imgs" + i + j + "2");
			imgs1.src="/rent/image/menu_09.gif";
			imgs1.height=25
			imgs2.src="/rent/image/menu_08.gif";	
			imgs2.height=25
			
			if(i==select_n)
			{
				tbl.style.display="block";				
			}
			
			if(j==select_n)
			{
				imgs1.src="/rent/image/menu_01.gif";
				imgs2.src="/rent/image/menu_03.gif";			
			}
		} 
	}

}

function check_form()
	{var Errmessage;
		Errmessage=''
	 validity = true;
	 
	 	if (this.form1.Province.value=='')
	 		{validity=false; Errmessage=Errmessage+'省/直辖市不能为空！';}

	 	if (this.form1.City.value=='')
	 		{validity=false; Errmessage=Errmessage+'城市不能为空！';}

	 	if (this.form1.District.value=='')
	 		{validity=false; Errmessage=Errmessage+'请选择区县！';}

	 if (!validity)
	 	alert(Errmessage);
  	return validity;
  	}

var err=0;
var m=0;
var n=0;

function clear(obj1){
len=obj1.length;
for (i = 0; i < len; i ++){
	obj1.options[0]=null;
}
}

function fullup(obj1,val){
var vn = new Option(val,val); 
    obj1.add(vn);
}

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


function SelectProvince()
{
pbox=document.form1.Province;
cbox=document.form1.City;
dbox=document.form1.District;
val=pbox.value;

   if (val!=""){
		err=1;
		m=sel(val,P);
		clear(cbox);
		

for (i=0;i<C[m].length;i++){fullup(cbox,C[m][i])}
		clear(dbox);
		fullup(dbox,"");
		for (i=0;i<D[m][0].length;i++){fullup(dbox,D[m][0][i])}
		
		
	}
	else{
		clear(cbox);
		clear(dbox);
		
		fullup(cbox,"请选择")
		fullup(dbox,"请选择")
		
	}
}
function SelectCity()
{
 cbox=document.form1.City;
 dbox=document.form1.District;
 if (err==0){alert("请您选择省/城市!");}
 else{
 	cval=cbox.value;
 	n=sel(cval,C[m]);
 	clear(dbox);
 	fullup(dbox,"");
 	for(i=0;i<D[m][n].length;i++){fullup(dbox,D[m][n][i])}
	
	}
}
function show_table_cz()
	{
		document.getElementById('table_cz').style.display='block';
		document.getElementById('table_qz').style.display='none';
		document.getElementById('table_dz').style.display='none';
		document.getElementById('table_hz').style.display='none';
	}
function show_table_qz()
	{
		document.getElementById('table_cz').style.display='none';
		document.getElementById('table_qz').style.display='block';
		document.getElementById('table_dz').style.display='none';
		document.getElementById('table_hz').style.display='none';
	}
function show_table_dz()
	{
		document.getElementById('table_cz').style.display='none';
		document.getElementById('table_qz').style.display='none';
		document.getElementById('table_dz').style.display='block';
		document.getElementById('table_hz').style.display='none';
	}
function show_table_hz()
	{
		document.getElementById('table_cz').style.display='none';
		document.getElementById('table_qz').style.display='none';
		document.getElementById('table_dz').style.display='none';
		document.getElementById('table_hz').style.display='block';
	}
function show_map_cz()
{
	document.getElementById('map_cz').style.display='block';
	document.getElementById('map_qz').style.display='none';
	document.getElementById('map_dz').style.display='none';
	document.getElementById('map_hz').style.display='none';
}
function show_map_qz()
{
	document.getElementById('map_cz').style.display='none';
	document.getElementById('map_qz').style.display='block';
	document.getElementById('map_dz').style.display='none';
	document.getElementById('map_hz').style.display='none';
}
function show_map_dz()
{
	document.getElementById('map_cz').style.display='none';
	document.getElementById('map_qz').style.display='none';
	document.getElementById('map_dz').style.display='block';
	document.getElementById('map_hz').style.display='none';
}
function show_map_hz()
{
	document.getElementById('map_cz').style.display='none';
	document.getElementById('map_qz').style.display='none';
	document.getElementById('map_dz').style.display='none';
	document.getElementById('map_hz').style.display='block';
}


function check_form2()
	{var Errmessage;
		Errmessage=''
	 validity = true;
	 
	 	if (this.form2.Province.value=='')
	 		{validity=false; Errmessage=Errmessage+'省/直辖市不能为空！';}

	 	if (this.form2.City.value=='')
	 		{validity=false; Errmessage=Errmessage+'城市不能为空！';}

	 	if (this.form2.District.value=='')
	 		{validity=false; Errmessage=Errmessage+'请选择区县！';}

	 if (!validity)
	 	alert(Errmessage);
  	return validity;
  	}
  	
function SelectProvince2()
{

pbox=document.form2.Province;
cbox=document.form2.City;
dbox=document.form2.District;
val=pbox.value;

   if (val!=""){
		err=1;
		m=sel(val,P);
		clear(cbox);
		

for (i=0;i<C[m].length;i++){fullup(cbox,C[m][i])}
		clear(dbox);
		fullup(dbox,"");
		for (i=0;i<D[m][0].length;i++){fullup(dbox,D[m][0][i])}
		
		
	}
	else{
		clear(cbox);
		clear(dbox);
		
		fullup(cbox,"请选择")
		fullup(dbox,"请选择")
		
	}
}
function SelectCity2()
{
 cbox=document.form2.City;
 dbox=document.form2.District;
 if (err==0){alert("请您选择省/城市!");}
 else{
 	cval=cbox.value;
 	n=sel(cval,C[m]);
 	clear(dbox);
 	fullup(dbox,"");
 	for(i=0;i<D[m][n].length;i++){fullup(dbox,D[m][n][i])}
	
	}
}

function check_form3()
	{var Errmessage;
		Errmessage=''
	 validity = true;
	 
	 	if (this.form3.Province.value=='')
	 		{validity=false; Errmessage=Errmessage+'省/直辖市不能为空！';}

	 	if (this.form3.City.value=='')
	 		{validity=false; Errmessage=Errmessage+'城市不能为空！';}

	 	if (this.form3.District.value=='')
	 		{validity=false; Errmessage=Errmessage+'请选择区县！';}

	 if (!validity)
	 	alert(Errmessage);
  	return validity;
  	}

function clear(obj1){
len=obj1.length;
for (i = 0; i < len; i ++){
	obj1.options[0]=null;
}
}

function fullup(obj1,val){
var vn = new Option(val,val); 
    obj1.add(vn);
}

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


function SelectProvince3()
{
pbox=document.form3.Province;
cbox=document.form3.City;
dbox=document.form3.District;
val=pbox.value;

   if (val!=""){
		err=1;
		m=sel(val,P);
		clear(cbox);
		

for (i=0;i<C[m].length;i++){fullup(cbox,C[m][i])}
		clear(dbox);
		fullup(dbox,"");
		for (i=0;i<D[m][0].length;i++){fullup(dbox,D[m][0][i])}
		
		
	}
	else{
		clear(cbox);
		clear(dbox);
		
		fullup(cbox,"请选择")
		fullup(dbox,"请选择")
		
	}
}
function SelectCity3()
{
 cbox=document.form3.City;
 dbox=document.form3.District;
 if (err==0){alert("请您选择省/城市!");}
 else{
 	cval=cbox.value;
 	n=sel(cval,C[m]);
 	clear(dbox);
 	fullup(dbox,"");
 	for(i=0;i<D[m][n].length;i++){fullup(dbox,D[m][n][i])}
	
	}
}

function check_form4()
	{var Errmessage;
		Errmessage=''
	 validity = true;
	 
	 	if (this.form4.Province.value=='')
	 		{validity=false; Errmessage=Errmessage+'省/直辖市不能为空！';}

	 	if (this.form4.City.value=='')
	 		{validity=false; Errmessage=Errmessage+'城市不能为空！';}

	 	if (this.form4.District.value=='')
	 		{validity=false; Errmessage=Errmessage+'请选择区县！';}

	 if (!validity)
	 	alert(Errmessage);
  	return validity;
  	}

function SelectProvince4()
{
pbox=document.form4.Province;
cbox=document.form4.City;
dbox=document.form4.District;
val=pbox.value;

   if (val!=""){
		err=1;
		m=sel(val,P);
		clear(cbox);
		

for (i=0;i<C[m].length;i++){fullup(cbox,C[m][i])}
		clear(dbox);
		fullup(dbox,"");
		for (i=0;i<D[m][0].length;i++){fullup(dbox,D[m][0][i])}
		
		
	}
	else{
		clear(cbox);
		clear(dbox);
		
		fullup(cbox,"请选择")
		fullup(dbox,"请选择")
		
	}
}
function SelectCity4()
{
 cbox=document.form4.City;
 dbox=document.form4.District;
 if (err==0){alert("请您选择省/城市!");}
 else{
 	cval=cbox.value;
 	n=sel(cval,C[m]);
 	clear(dbox);
 	fullup(dbox,"");
 	for(i=0;i<D[m][n].length;i++){fullup(dbox,D[m][n][i])}
	
	}
}