function sent_mail(info){
	if(info.name.value==""){
		alert ("please fill your name");
		return (false);
	}else if(info.email.value==""){
		alert ("please fill your email");
		return (false);
	}else if(info.country.value==""){
		alert("please fill your country");
		return (false);
	}else if(info.city.value==""){
		alert("please fill your city");
		return (false);
	}else if(info.phone.value==""){
		alert("please fill your phone");
		return (false);
	}else if(check_mail()==false){
		
		return (false);
	}else{			
			
		
		return (true);			
	}
}


function check_mail(){
		//var testresults;
		var str=document.form1.email.value;
		var filter=/^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i;	
		if (filter.test(str)==true){
			//testresults=true;
			return true;
		}else{
			alert("Please input a valid email address!");
			//testresults=false;
			return false;
		}
			//return (testresults);
			//return true;
}