//  copyright lexilogos.com
var car;
function transcrire() {
car = document.conversion.saisie.value; 
car=car.replace(/a/g, "அ");
car=car.replace(/அஅ/g, "ஆ");
car=car.replace(/i/g, "இ");
car=car.replace(/இஇ/g, "ஈ");
car=car.replace(/u/g, "உ");
car=car.replace(/உஉ/g, "ஊ");
car=car.replace(/e/g, "எ");
car=car.replace(/எஎ/g, "ஏ");
car=car.replace(/அஇ/g, "ஐ");
car=car.replace(/o/g, "ஒ");
car=car.replace(/ஒஒ/g, "ஓ");
car=car.replace(/அஉ/g, "ஔ");

car=car.replace(/[kg]/g, "க்");
car=car.replace(/c/g, "ச்");
car=car.replace(/j/g, "ஜ்");
car=car.replace(/ñ/g, "ஞ்");
car=car.replace(/[td]/g, "த்");
car=car.replace(/த்த்/g, "ட்");
car=car.replace(/[TD]/g, "ட்");
car=car.replace(/n/g, "ந்");
car=car.replace(/ந்ந்/g, "ண்");
car=car.replace(/N/g, "ண்");
car=car.replace(/ண்ந்/g, "ன்");
car=car.replace(/ண்ண்/g, "ன்");
car=car.replace(/[bp]/g, "ப்");
car=car.replace(/m/g, "ம்");
car=car.replace(/y/g, "ய்");
car=car.replace(/r/g, "ர்");
car=car.replace(/ர்ர்/g, "ற்");
car=car.replace(/R/g, "ற்");
car=car.replace(/l/g, "ல்");
car=car.replace(/ல்ல்/g, "ள்");
car=car.replace(/z/g, "ழ்");
car=car.replace(/ள்ல்/g, "ழ்");
car=car.replace(/v/g, "வ்");
car=car.replace(/ந்க்/g, "ங்");
// voir virama 
car=car.replace(/sh/g, "ஶ்");
car=car.replace(/ç/g, "ஶ்");
car=car.replace(/s/g, "ஸ்");
car=car.replace(/S/g, "ஷ்");
car=car.replace(/ஸ்ஸ்/g, "ஷ்");
car=car.replace(/h/g, "ஹ்");
car=car.replace(/்அ/g, "\u200b");
car=car.replace(/\u200bஅ/g, "ா");
car=car.replace(/்இ/g, "ி");
car=car.replace(/ிஇ/g, "ீ");
car=car.replace(/்உ/g, "ு");
car=car.replace(/ுஉ/g, "ூ");
car=car.replace(/்எ/g, "ெ");
car=car.replace(/ெஎ/g, "ே");
car=car.replace(/\u200bஇ/g, "ை");
car=car.replace(/்ஒ/g, "ொ");
car=car.replace(/ொஒ/g, "ோ");
car=car.replace(/\u200bஉ/g, "ௌ");

//car=car.replace(/1/g, "௧");
//car=car.replace(/2/g, "௨");
//car=car.replace(/3/g, "௩");
//car=car.replace(/4/g, "௪");
//car=car.replace(/5/g, "௫");
//car=car.replace(/6/g, "௬");
//car=car.replace(/7/g, "௭");
//car=car.replace(/8/g, "௮");
//car=car.replace(/9/g, "௯");
car=car.replace(/w/g, "௰");
car=car.replace(/௰'/g, "௱");
car=car.replace(/௱'/g, "௲");

car=car.replace(/\u200bக/g, "க");
car=car.replace(/\u200bங/g, "ங");
car=car.replace(/\u200bச/g, "ச");
car=car.replace(/\u200bஜ/g, "ஜ");
car=car.replace(/\u200bஞ/g, "ஞ");
car=car.replace(/\u200bட/g, "ட");
car=car.replace(/\u200bண/g, "ண");
car=car.replace(/\u200bத/g, "த");
car=car.replace(/\u200bந/g, "ந");
car=car.replace(/\u200bன/g, "ன");
car=car.replace(/\u200bப/g, "ப");
car=car.replace(/\u200bம/g, "ம");
car=car.replace(/\u200bய/g, "ய");
car=car.replace(/\u200bர/g, "ர");
car=car.replace(/\u200bற/g, "ற");
car=car.replace(/\u200bல/g, "ல");
car=car.replace(/\u200bள/g, "ள");
car=car.replace(/\u200bழ/g, "ழ");
car=car.replace(/\u200bவ/g, "வ");
car=car.replace(/\u200bஶ/g, "ஶ");
car=car.replace(/\u200bஷ/g, "ஷ");
car=car.replace(/\u200bஸ/g, "ஸ");
car=car.replace(/\u200bஹ/g, "ஹ");

// anusvara
car = car.replace(/M/g, "ஂ");
// visarga				
car = car.replace(/[KHG]/g, "ஃ");
car = car.replace(/்ஃ/g, "ஃ");
document.conversion.saisie.value=car;
var obj=document.conversion.saisie;
obj.focus();
obj.scrollTop=obj.scrollHeight;
}