var onecount; onecount=0; subcat = new Array(); subcat[0] = new Array('水产业','落寞随风','水产业'); subcat[1] = new Array('综合类','朦胧','综合类'); subcat[2] = new Array('科普宣传','落寞随风','科普宣传'); subcat[3] = new Array('计生影视','落寞随风','计生影视'); subcat[4] = new Array('体育欣赏','落寞随风','体育欣赏'); subcat[5] = new Array('电视散文','落寞随风','电视散文'); subcat[6] = new Array('新闻报道','朦胧','新闻报道'); subcat[7] = new Array('落寞随风','落寞随风','落寞随风'); onecount=8; function changebsort(kindid) { document.myform.ssort.length = 0; var kindid=kindid; var i; for (i=0;i < onecount; i++) { if (subcat[i][1] == kindid) { document.myform.ssort.options[document.myform.ssort.length] = new Option(subcat[i][0], subcat[i][2]); } } }