var farsikey = [	// Farsi keyboard map based on Iran Popular Keyboard Layout      
	0x0020, 0x0021, 0x061B, 0x066B, 0x00A4, 0x066A, 0x060C, 0x06AF, 
	0x0029, 0x0028, 0x002A, 0x002B, 0x0648, 0x002D, 0x002E, 0x002F,      
	0x06F0, 0x06F1, 0x06F2, 0x06F3, 0x06F4, 0x06F5, 0x06F6, 0x06F7,      
	0x06F8, 0x06F9, 0x003A, 0x06A9, 0x003E, 0x003D, 0x003C, 0x061F,      
	0x066C, 0x0624, 0x200C, 0x0698, 0X064a, 0x064D, 0x0625, 0x0623,      
	0x0622, 0x0651, 0x0629, 0x00BB, 0x00AB, 0x0621, 0x004E, 0x005D,      
	0x005B, 0x0652, 0x064B, 0x0626, 0x064F, 0x064E, 0x0056, 0x064C,            
	0x0058, 0x0650, 0x0643, 0x062C, 0x0698, 0x0686, 0x00D7, 0x0640,
	0x067E, 0x0634, 0x0630, 0x0632, 0X06cc, 0x062B, 0x0628, 0x0644,            
	0x0627, 0x0647, 0x062A, 0x0646, 0x0645, 0x0626, 0x062F, 0x062E,            
	0x062D, 0x0636, 0x0642, 0x0633, 0x0641, 0x0639, 0x0631, 0x0635,            
	0x0637, 0x063A, 0x0638, 0x007D, 0x007C, 0x007B, 0x007E            
];

function FKeyPress() {
   var key = window.event.keyCode;
   if (key < 0x0020 || key >= 0x00FF) 
      return;
   if (language=='f') {
      var ValChar=String.fromCharCode(key);
      var validate="abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ[];,'`\\"
      var el = event.srcElement; 

      if (validate.indexOf(ValChar) != -1 ) // Detect persian letter
      if (el.value.charCodeAt(el.value.length-1) == 0x06cc)  // Replace persian ye if needed
      {
         el.value = el.value.slice(0, -1);
         el.value += String.fromCharCode(0x064a); // Use arabic ye
      }
      if (key == 0x0020 && window.event.shiftKey)
         window.event.keyCode = 0x200C;
      else 
	 window.event.keyCode = farsikey[key - 0x0020];
   }
  return true;
}

imageFA = '/images/langFA.gif'
imageEN = '/images/langEN.gif'

function Changelang(whatimage,what) {
	if(language == 'f') {
		what.onkeypress=null;
		language='e';
		whatimage.src=imageEN;
		whatimage.title='تغییر زبان به فارسی';
	}
	else {
		what.onkeypress=FKeyPress;
		language='f';
		whatimage.src=imageFA;
		whatimage.title='Change language to english';
	}
	what.focus();
}
var language='f';

imageRTL = '/images/dirRTL.gif'
imageLTR = '/images/dirLTR.gif'

function Changedir(whatimage,what) {
	if(direction == 'rtl') {
		what.style.textAlign = "left";
		what.style.direction = "ltr";
		direction='ltr';
		whatimage.src=imageLTR;
		whatimage.title='چپ به راست | Left To Right';
	}
	else {
		what.style.textAlign = "right";
		what.style.direction = "rtl";
		direction='rtl';
		whatimage.src=imageRTL;
		whatimage.title='راست به چپ | Right To Left';
	}
	what.focus();
}
var direction='rtl';