function check()
	{
		if (document.f1.nm.value==""){
		alert ("Please enter your name");
		document.f1.nm.focus();
		return false;
		}
		if (document.f1.country.value==""){
		alert ("Please enter country");
		document.f1.country.focus();
		return false;
		}
		if (document.f1.email.value==""){
		alert ("Please enter your email");
		document.f1.email.focus();
		return false;
		}
		else{
		var text=document.f1.email.value;
		var pattern=/^[a-z0-9_\-\.]{2}[a-z0-9_\-\.]*@[a-z0-9_\-\.]+.[a-z0-9_\-\.]+$/;
		if (pattern.test(text))
		return true; 
		else 
		alert ("Please enter valid email");
		document.f1.email.focus();
		return false;
		}
	}