/*******************************************************************/      
        
var langFarsi = true;
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, 0x064A, 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 FKeyReplace() {
    var key = window.event.keyCode;
    if (key == 0x0632) {  window.event.keyCode = 0x06D0;  }  
    if (key == 0x06CC) {  window.event.keyCode = 0x06D0;  }  
    if (key == 0xFBFD) {  window.event.keyCode = 0xFEF2;  }  
    if (key == 0x0020) {  window.event.keyCode = 0x00A0;  }  
    if (key == 0xFEEF) {  window.event.keyCode = 0xFEF1;  }  
    if (key == 0xFEF0) {  window.event.keyCode = 0xFEF2;  }  
    if (key == 0x0649) {  window.event.keyCode = 0x064A;  }  
   return true;
}

function FKeyNumber() {
    var key = window.event.keyCode;
    if (key < 0x0030 || key > 0x0039)
      {
        window.event.keyCode = 0x000;
        return true;
      }  
   return true;
}

function FKeyPress() {
   var key = window.event.keyCode;

   if (key < 0x0020 || key >= 0x00FF)
   {
     window.event.keyCode = 0x000;
     return true;
   }  


   if (langFarsi) {
      var el = event.srcElement;
      var objRegExp = new RegExp("[A-Za-z\x27\x2C\x3B\x5B\x5C\x5D\x7C]");
      var validate_key = objRegExp.test(String.fromCharCode(key));
      if ((validate_key || (key==92)) && (key != 0x200C) && (el.value.lastIndexOf(String.fromCharCode(1740)) == el.value.length - 1) && el.value.length > 0) {
         el.value = el.value.slice(0, -1);
         el.value += String.fromCharCode(1610);
      }
      if (key == 0x0020 && window.event.shiftKey)
         window.event.keyCode = 0x200C;
      else
         window.event.keyCode = farsikey[key - 0x0020];
   }
   return true;
}

function changeLanguage() {
	langFarsi=!langFarsi;
	langFarsi?document.forms[0].languageImage.src="images/fa.gif":document.forms[0].languageImage.src="images/en.gif";
}  


function FKeyPress2() {
   var key = window.event.keyCode;

   if (key < 0x0020 || key >= 0x00FF)
   {
     window.event.keyCode = 0x000;
     return true;
   }  


   if (langFarsi) {
      var el = event.srcElement;
      var objRegExp = new RegExp("[A-Za-z\x27\x2C\x3B\x5B\x5C\x5D\x7C]");
      var validate_key = objRegExp.test(String.fromCharCode(key));
//      if ((validate_key || (key==92)) && (key != 0x200C) && (el.value.lastIndexOf(String.fromCharCode(1740)) == el.value.length - 1) && el.value.length > 0) {
      if ((key != 0x200C) && (el.value.lastIndexOf(String.fromCharCode(1740)) == el.value.length - 1) && el.value.length > 0) {
         el.value = el.value.slice(0, -1);
         el.value += String.fromCharCode(1610);
      }
      if (key == 0x0020 && window.event.shiftKey)
         window.event.keyCode = 0x200C;
      else
         window.event.keyCode = farsikey[key - 0x0020];
   }
   return true;
}



function FKeyPress3() {
   var key = window.event.keyCode;

   if (key < 0x0020 || key >= 0x00FF)
   {
     window.event.keyCode = 0x000;
     return true;
   }  


   if (langFarsi) {
      var el = event.srcElement;
      var objRegExp = new RegExp("[A-Za-z\x27\x2C\x3B\x5B\x5C\x5D\x7C]");
      var validate_key = objRegExp.test(String.fromCharCode(key));
//      if ((validate_key || (key==92)) && (key != 0x200C) && (el.value.lastIndexOf(String.fromCharCode(1740)) == el.value.length - 1) && el.value.length > 0) {
      if ((key != 0x200C) && (el.value.lastIndexOf(String.fromCharCode(1740)) == el.value.length - 1) && el.value.length > 0) {
         el.value = el.value.slice(0, -1);
         el.value += String.fromCharCode(1610);
      }
      if (key == 0x0020 && window.event.shiftKey)
         window.event.keyCode = 0x0000; // 0x200C;
      else
         window.event.keyCode = farsikey[key - 0x0020];
   }
   return true;
}