/*
By Wee Family  psweesam@singnet.com.sg
Featured on JavaScript Kit (http://javascriptkit.com)
For this and over 400+ free scripts, visit http://javascriptkit.com
*/

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=='A') LoveCount+=2; 
if (letter1=='M') LoveCount+=2; 
if (letter1=='O') LoveCount+=2;
if (letter1=='R') LoveCount+=2; 
if (letter1=='M') LoveCount+=3; 
if (letter1=='I') LoveCount+=1; 
if (letter1=='O') LoveCount+=3;
}


for (Count=0; Count < secondlength; Count++) {
letter2=second.substring(Count,Count+1);
if (letter2=='A') LoveCount+=2;
if (letter2=='M') LoveCount+=2; 
if (letter2=='O') LoveCount+=2; 
if (letter2=='R') LoveCount+=2;
if (letter2=='M') LoveCount+=3;
if (letter2=='I') LoveCount+=1;
if (letter2=='O') 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= "Err";
if (amount < 0) amount= 0;
if (amount >99) amount=99;

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



}