var lang = 1;	// 1: Farsi, 0: English
// Farsi keyboard map based on ISIRI-2901
var farsikey = [
   0x0020, 0x0021, 0x061B, 0x066B, 0x00A4, 0x066A, 0x060C, 0x06AF,
   0x0029, 0x0028, 0x002A, 0x002B, 0x0648, 0x002D, 0x002E, 0x002F,
   0x0030, 0x0031, 0x0032, 0x0033, 0x0034, 0x0035, 0x0036, 0x0037,
   0x0038, 0x0039, 0x003A, 0x0643, 0x003E, 0x003D, 0x003C, 0x061F,
   0x066C, 0x0624, 0x200C, 0x0698, 0x0649, 0x064D, 0x0625, 0x0623,
   0x0622, 0x0651, 0x0629, 0x00BB, 0x00AB, 0x0621, 0x004E, 0x005D,
   0x005B, 0x0652, 0x064B, 0x0626, 0x064F, 0x064E, 0x0056, 0x064C,
   0x0058, 0x0650, 0x0643, 0x062C, 0x005C, 0x0686, 0x00D7, 0x0640,
   0x200D, 0x0634, 0x0630, 0x0632, 0x064A, 0x062B, 0x0628, 0x0644,
   0x0627, 0x0647, 0x062A, 0x0646, 0x0645, 0x067E, 0x062F, 0x062E,
   0x062D, 0x0636, 0x0642, 0x0633, 0x0641, 0x0639, 0x0631, 0x0635,
   0x0637, 0x063A, 0x0638, 0x007D, 0x007C, 0x007B, 0x007E ];


function FKeyDown (txtFrm){
 var key = window.event.keyCode;
 if (key == 145){
    if (lang == 0) {
      lang = 1;
      return true;
    }
    else {
      lang = 0;
      return true;
    }
}
}

function FKeyPress(txtFrm) {
   var key = window.event.keyCode;
  if (key == 13) { window.event.keyCode = 13; return true; }

   if (lang == 1) { // If Farsi
     if (key == 0x0020 && window.event.shiftKey) // Shift-space -> ZWNJ
       window.event.keyCode = 0x200C;
     else
       window.event.keyCode = farsikey[key - 0x0020];
     if (farsikey[key - 0x0020] == 92) {
        window.event.keyCode = 0x0698;
     }
     if (farsikey[key - 0x0020] == 8205) {
        window.event.keyCode = 0x067E;
     }
   }
   return true;
}

function FnumPress(txtFrm) {
   var key = window.event.keyCode;
  if (key == 13) { window.event.keyCode = 13; return true; }
    if(key<48 || key>57){ window.event.keyCode = 0; return true; }
   return true;
}
function FnoPress(txtFrm) {
   var key = window.event.keyCode;
 window.event.keyCode = 0;
   return true;
}
function change(obj){
if (lang==0){
lang=1;
document.pic1.src="http://mihanmusic/mp3/pics/fa.jpg";
return false;
}
else{
lang=0;
document.pic1.src="http://mihanmusic/mp3/pics/en.jpg";
return false;
}
obj.focus();
}


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