function selprovince(sel,id){	
var obj=eval("document.all."+sel);
var obj1=eval("document.all."+id);
if(obj.options[3].selected){
	obj1.innerHTML="<select name=province>"+"<option value=AnHui>AnHui</option>"+"<option value=BeiJing>BeiJing</option>"+
			"<option value=FuJian>FuJian</option>"+
			"<option value=GanSu>GanSu</option>"+
			"<option value=GuangDong>GuangDong</option>"+
			"<option value=GuangXi>GuangXi</option>"+
			"<option value=GuiZhou>GuiZhou</option>"+
			"<option value=HaiNan>HaiNan</option>"+
			"<option value=HeBei>HeBei</option>"+
			"<option value=HeNan>HeNan</option>"+
			"<option value=HeiLongJiang>HeiLongJiang</option>"+
			"<option value=HuBei>HuBei</option>"+
			"<option value=HuNan>HuNan</option>"+
			"<option value=JiLin>JiLin</option>"+
			"<option value=JiangSu>JiangSu</option>"+
			"<option value=JiangXi>JiangXi</option>"+
			"<option value=LiaoNing>LiaoNing</option>"+
			"<option value=NeiMengGu>NeiMengGu</option>"+
			"<option value=NingXia>NingXia</option>"+
			"<option value=QingHai>QingHai</option>"+
			"<option value=ShanDong>ShanDong</option>"+
			"<option value=ShanXi>ShanXi</option>"+
			"<option value=ShannXi>ShannXi</option>"+
			"<option value=ShangHai>ShangHai</option>"+
			"<option value=SiChuan>SiChuan</option>"+
			"<option value=TianJin>TianJin</option>"+
			"<option value=XinJiang>XinJiang</option>"+
			"<option value=YunNan>YunNan</option>"+
			"<option value=ZheJiang>ZheJiang</option>"+
			"<option value=ChongQing>ChongQing</option>"+
			"</select>";
}else if(obj1.innerHTML.indexOf("<select")!=-1){
	obj1.innerHTML="<input name='keyword' type='text' class='field2' value='Input the keyword...' size='18' onFocus='myclear()'>";
}
}