<SCRIPT type="text/javascript">

function calc() {
first = document.loveform.name1.value.toUpperCase();
firstlength = document.loveform.name1.value.length;
second = document.loveform.name2.value.toUpperCase();
secondlength = document.loveform.name2.value.length;
var LoveCount=0;

for (Count=0; Count < firstlength; Count++) {



letter1=first.substring(Count,Count+1);

if (letter1=='G') LoveCount+=2;
if (letter1=='E') LoveCount+=2;
if (letter1=='L') LoveCount+=2;
if (letter1=='U') LoveCount+=2;
if (letter1=='K') LoveCount+=3;
if (letter1=='R') LoveCount+=1;
if (letter1=='A') LoveCount+=3;
if (letter1=='I') LoveCount+=3;
if (letter1=='T') LoveCount+=3;
}


for (Count=0; Count < secondlength; Count++) {
letter2=second.substring(Count,Count+1);
if (letter2=='C') LoveCount+=2;
if (letter2=='A') LoveCount+=2;
if (letter2=='T') LoveCount+=2;
if (letter2=='') LoveCount+=2;
if (letter2=='') LoveCount+=3;
if (letter2=='') LoveCount+=1;
if (letter2=='') LoveCount+=3;
}

amount=0;

if (LoveCount> 0) amount= 5-((firstlength+secondlength)/2)
if (LoveCount> 2) amount= 10-((firstlength+secondlength)/2)
if (LoveCount> 4) amount= 20-((firstlength+secondlength)/2)
if (LoveCount> 6) amount= 30-((firstlength+secondlength)/2)
if (LoveCount> 8) amount= 40-((firstlength+secondlength)/2)

if (LoveCount>10) amount= 50-((firstlength+secondlength)/2)

if (LoveCount>12) amount= 60-((firstlength+secondlength)/2)
if (LoveCount>14) amount= 70-((firstlength+secondlength)/2)
if (LoveCount>16) amount= 80-((firstlength+secondlength)/2)
if (LoveCount>18) amount= 90-((firstlength+secondlength)/2)
if (LoveCount>20) amount=100-((firstlength+secondlength)/2)
if (LoveCount>22) amount=110-((firstlength+secondlength)/2)
if (firstlength==0 || secondlength==0) amount= "Biết chết liền ";
if (amount < 0) amount= 0;
if (amount >99) amount=100;

document.loveform.output.value=amount+"%";



}


</SCRIPT>

<CENTER>
<TABLE cellSpacing=0 cellPadding=1 width=600 border=0>
<TBODY>
<TR>
<TD vAlign=top align=middle></TD></TR></TBODY></TABLE></CENTER>
<DIV align=center>
<FORM name=loveform>
<P><INPUT value="Họ Tên bạn" name=name1> ♥ <INPUT value="Họ Tên người ấy"
name=name2> <INPUT onclick=calc() type=button value="Bói!" name=calculate> <INPUT size=6 name=output>
</P></FORM></DIV>