var faico = new Image();  faico.src = "../../share/images/fa.jpg";
var enico = new Image();  enico.src = "../../share/images/en.jpg";
var KeylangFarsi=true;
// for keypress
function farsikey(myfield,e)
{
var key;
var basestring=' !"#$%،گ)(×+و-./0123456789:ک,=.؟@ِذ}ىُىلآ÷ـ،/’د×؛َءٍف‘{ًْإ~جژچ^_پشذزیثبلاهتنمئدخحضقسفعرصطغظ<|>ّ';
if (window.event)
 key = window.event.keyCode;
else if (e)
 key = e.which;

if (key < 0x0020 || key >= 0x00FF) return true; 
if (KeylangFarsi==true)
{
	if (window.event)
	 window.event.keyCode=basestring.charCodeAt(key-32);
	else if (e)
	 e.which=basestring.charCodeAt(key-32);
}
 return true;
}

// function for keydown
function changelang(objtext1)
{
	if (window.event.keyCode==119) 
		KeylangFarsi =(KeylangFarsi==true) ? false : true ;
    if (window.event.altKey && window.event.shiftKey )  
		KeylangFarsi = false ;
	 return true;
}

function ChLnIco(ico,field)
{
	if ( KeylangFarsi ){
		KeylangFarsi = false
		ico.src=enico.src
	}
	else{
		KeylangFarsi = true
		ico.src=faico.src
	}	
	document.getElementById(field).focus();
}
function ChIcon(ico)
{
	btn = document.getElementById(ico);
	if(btn)btn.src= ( KeylangFarsi ) ? faico.src : btn.src=enico.src;
}