var strtypekeyboard = "Farsi";
var obj;

function farsikey()
{
var key;
key = window.event.keyCode;
if (key>31 && key<128 && strtypekeyboard == "Farsi")
	 window.event.keyCode=' !"#$%،گ)(×+و-./0123456789:ک,=.؟@ِذ}ىُىلآ÷ـ،/’د×؛َءٍف‘{ًْإ~جژچ^_پشذزیثبلاهتنمئدخحضقسفعرصطغظ<|>ّ'.charCodeAt(key-32);
return true;
}

function change(){
if (strtypekeyboard == "Farsi"){
strtypekeyboard = "English";
document.langpic.src="images/en.gif"
}else{
strtypekeyboard = "Farsi";
document.langpic.src="images/fa.gif"
}
obj.focus();
}

function fn(ob){
obj=ob;
}