var curr_language;
	function keydown(){
//		alert(event.keyCode);
		if(curr_language=="english")
			return;
		switch(event.keyCode){

			case 38:
				event.keyCode=1548;break;
			case 63:
				event.keyCode=1567;break;
			case 77:
				event.keyCode=1569;break;
			case 72:
				event.keyCode=1570;break;
			case 62:
				event.keyCode=1571;break;
			case 60:
				event.keyCode=1572;break;
			case 64:
				event.keyCode=1611;break;
			case 104:
				event.keyCode=1575;break;
			case 102:
				event.keyCode=1576;break;
			case 109:
				event.keyCode=1574;break;
			case 106:
				event.keyCode=1578;break;
			case 101:
				event.keyCode=1579;break;
			case 91:
				event.keyCode=1580;break;
			case 112:
				event.keyCode=1581;break;
			case 111:
				event.keyCode=1582;break;
			case 110:
				event.keyCode=1583;break;
			case 98:
				event.keyCode=1584;break;
			case 118:
				event.keyCode=1585;break;
			case 99:
				event.keyCode=1586;break
			case 115:
				event.keyCode=1587;break;
			case 97:
				event.keyCode=1588;break;
			case 119:
				event.keyCode=1589;break;
			case 113:
				event.keyCode=1590;break;
			case 120:
				event.keyCode=1591;break;
			case 122:
				event.keyCode=1592;break;
			case 117:
				event.keyCode=1593;break;
			case 121:
				event.keyCode=1594;break;
			case 47:
				event.keyCode=1577;break;
			case 116:
				event.keyCode=1601;break;
			case 114:
				event.keyCode=1602;break;
			case 59:
				event.keyCode=1603;break;
			case 103:
				event.keyCode=1604;break;
			case 108:
				event.keyCode=1605;break;
			case 107:
				event.keyCode=1606;break;
			case 105:
				event.keyCode=1607;break;
			case 44:
				event.keyCode=1608;break;
			case 100:
				event.keyCode=1610;break;
			case 48:
				event.keyCode=1632;break;
			case 49:
				event.keyCode=1633;break;
			case 50:
				event.keyCode=1634;break;
			case 51:
				event.keyCode=1635;break;
			case 52:
				event.keyCode=1636;break;
			case 53:
				event.keyCode=1637;break;
			case 54:
				event.keyCode=1638;break;
			case 55:
				event.keyCode=1639;break;
			case 56:
				event.keyCode=1640;break;
			case 57:
				event.keyCode=1641;break;
			case 57:
				event.keyCode=1642;break;
			case 57:
				event.keyCode=1643;break;
			case 57:
				event.keyCode=1645;break;
			case 96:
				event.keyCode=1662;break;
			case 93:
				event.keyCode=1670;break;
			case 92:
				event.keyCode=1688;break;
			case 59:
				event.keyCode=1705;break;
			case 39:
				event.keyCode=1711;break;
	
		}
	}
	
	function mousedown_F(){
		E_butt.bgColor="#CCCCCC";
		F_butt.bgColor="#999999";
		curr_language="farsi";
	}
	function mousedown_E(){
		F_butt.bgColor="#CCCCCC";
		E_butt.bgColor="#999999";
		curr_language="english";
	}