//载入页面时，在form1表单的province下拉框加入省份信息，在city下拉框加入城市信息  
function window_onload(prov,city,area){
	addProvince(prov,area);//调用子函数加省份
	addCity(prov,city,area);//调用子函数加城市
}

//子函数加省份
function addProvince(prov,area){
	if(area=="中国"){ 
		for(i=0;i<34;i++){
			prov.add(provinceOp[i]);
		}
	}else if(area=="世界"){
		for(i=34;i<PROVNUM;i++){
			prov.add(provinceOp[i]);
		}
	}else{
		prov.add(new Option("所有","所有"));
	}
}
function addAllProvince(prov){
		prov.add(new Option("请选择","所有"));
		for(i=0;i<41;i++){
			prov.add(provinceOp[i]);
		}
		prov.add(new Option("其它","其它"));
		
	
}

//子函数加城市
function addCity(prov,city,area){
	var i = prov.selectedIndex;
	if(area=="世界") i=i+34;
	if(area=="所有"){
		city.add(new Option("所有","所有"));
	}else{
		for(j=0;j<cityOp[i].length;j++){
			city.add(cityOp[i][j]);
		}
	}
}
function addCity1(prov,city,area){
	var i=0;	
	for(i=0;i<provinceOp.length;i++)
	{
	if(provinceOp[i].value==prov)
		break;
	}
	
	//if(area=="世界") i=35;
	if(area=="所有"){
		city.add(new Option("所有","所有"));
	}else{
		for(j=0;j<cityOp[i].length;j++)
		{
		city.add(cityOp[i][j]);
		}
	}
}

function loadarea(area,a){
	for(i=0;i<area.length;i++){
		if(area.options[i].value==a)
		area.options[i].selected=true;
	}
}

function loadprov(prov,a){
	for(i=0;i<prov.length;i++){
		if(prov.options[i].value==a)
		prov.options[i].selected=true;
	}
}

function loadcity(city,b){
	for(i=0;i<city.length;i++){
		if(city.options[i].value==b)
		city.options[i].selected=true;
	}
}

function loadschooltype(schooltype,b){
	for(i=0;i<schooltype.length;i++){
		if(schooltype.options[i].value==b)
		schooltype.options[i].selected=true;
	}
}

//子函数删省份
function delProvince(province){
	var len = province.length;
	for(i=0;i<len;i++){
		province.remove(0);
	}
}

//子函数删城市
function delCity(city){
	var len = city.length;
	for(i=0;i<len;i++){
		city.remove(0);
	}
}

function area_onchange(obj){
	delProvince(obj.province);
	delCity(obj.city);
	window_onload(obj.province,obj.city,obj.area.value);
	if(obj==document.form2)
	province_onchange(document.form2.province,document.form2.city,document.form2.area.value);
}

//子函数：控制可选城市随所选省份改变
function province_onchange(prov,city,area){
//    	delCity(form1.city);
//	addCity(form1.province,form1.city);
	delCity(city);
	addCity(prov,city,area);
}

//子函数删学校类型
function delSchooltype(schooltype){
	var len = schooltype.length;
	for(i=0;i<len;i++){
		schooltype.remove(0);
	}
}

//定义学校类型数组
schooltypeOp = new Array(10);
schooltypeOp[0]=new Option("普通高校","普通高校");
schooltypeOp[1]=new Option("成人高校","成人高校");
schooltypeOp[2]=new Option("中学","中学");
schooltypeOp[3]=new Option("小学","小学");
schooltypeOp[4]=new Option("科研机构","科研机构");
schooltypeOp[5]=new Option("大专","大专");
schooltypeOp[6]=new Option("中专","中专");
schooltypeOp[7]=new Option("技校","技校");
schooltypeOp[8]=new Option("职业高中","职业高中");
schooltypeOp[9]=new Option("其它","其它");

//子函数加学校类型
function addSchooltype(schooltype,schoolnum){
	if(schoolnum==10){
		for(i=0;i<10;i++){
			schooltype.add(schooltypeOp[i]);
		}
	}else{
		for(i=2;i<10;i++){
			schooltype.add(schooltypeOp[i]);
		}
	}
}