var onecount;
onecount=0;
    
subcat = new Array();
subcat[0] = new Array("磁带","01","带");
subcat[1] = new Array("CD","01","CD");
subcat[2] = new Array("VCD","01","VCD");
subcat[3] = new Array("DVD","01","DVD");
subcat[4] = new Array("CD-ROM","01","CD-ROM");
subcat[5] = new Array("图书","01","图书");
subcat[6] = new Array("人教版(新大纲)","02","新大纲");
subcat[7] = new Array("人教版(新课标)","02","新课标");
subcat[8] = new Array("北师大版","02","北师");
subcat[9] = new Array("华东师大版","02","师大");
subcat[10] = new Array("苏教版","02","苏教版");
subcat[11] = new Array("小学(1-6年级)","03","小学");
subcat[12] = new Array("初中(1-3年级)","03","初中");
subcat[13] = new Array("高中(1-3年级)","03","高中");
subcat[14] = new Array("语文","04","语文");
subcat[15] = new Array("数学","04","数学");
subcat[16] = new Array("英语","04","英语");
subcat[17] = new Array("物理","04","物理");
subcat[18] = new Array("化学","04","化学");

onecount=19;

function changelocation(locationid)
{
document.searchform.key2.length = 0; 

var locationid=locationid;
var i;
//document.searchform.key2.options[0] = new Option('====所有地区====','');
for (i=0;i < onecount; i++)
	{
		if (subcat[i][1] == locationid)
		{ 
		document.searchform.key2.options[document.searchform.key2.length] = new Option(subcat[i][0], subcat[i][2]);
		}        
	}
	
}