function processForm(form){
var xf=0;
hc=new Array(20);
var roll_call=hc.length;
for (i=roll_call;i>0;i--)
{hc[i-1]=0};
//loops through the radio buttons finding out which one is selected
if (form.c1[1].checked==1) hc[0]=1;
if (form.c2[1].checked==1) hc[1]=1;
if (form.c3[0].checked==1) hc[2]=1;
if (form.c4[0].checked==1) hc[3]=1;
if (form.c5[1].checked==1) hc[4]=1;
if (form.c6[1].checked==1) hc[5]=1;
if (form.c7[0].checked==1) hc[6]=1;
if (form.c8[0].checked==1) hc[7]=1;
if (form.c9[1].checked==1) hc[8]=1;
if (form.c10[0].checked==1) hc[9]=1;
if (form.c11[0].checked==1) hc[10]=1;
if (form.c12[1].checked==1) hc[11]=1;
if (form.c13[0].checked==1) hc[12]=1;
if (form.c14[1].checked==1) hc[13]=1;
if (form.c15[1].checked==1) hc[14]=1;
if (form.c16[0].checked==1) hc[15]=1;
if (form.c17[0].checked==1) hc[16]=1;
if (form.c18[0].checked==1) hc[17]=1;
if (form.c19[1].checked==1) hc[18]=1;
if (form.c20[0].checked==1) hc[19]=1;
for (i=roll_call;i>0;i--)
{xf+=hc[i-1]};
form.answer.value="你的得分为"+xf+"分";
}