function checkEmail(myMail) {
if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(myMail)){
return (true)
}

return (false)
}

function checkFormData(){
	
	var forma=document.getElementById("frmUserData");
	var poruka="";
	if (!checkEmail(forma.mail.value)) poruka+="Morate upisati ispravnu e-mail adresu<br />";
	if (forma.name.value=="") poruka+="Morate upisati svoje ime<br />";
	if (forma.surname.value=="") poruka+="Morate upisati svoje prezime<br />";
	if (forma.city.value=="") poruka+="Morate upisati mjesto<br />";
	if (forma.zipcode.value=="") poruka+="Morate upisati broj po&#154;te<br />";
	if (forma.streetadress.value=="") poruka+="Morate upisati ulicu i broj<br />";
	createCookie("name",forma.name.value, "100");
	createCookie("surname",forma.surname.value, "100");
	createCookie("city",forma.city.value, "100");
	createCookie("zipcode",forma.zipcode.value, "100");
	createCookie("streetadress",forma.streetadress.value, "100");
	createCookie("mail",forma.mail.value, "100");
	if (poruka=="") {
		
		return true;
	}
	else{
	
		document.getElementById("porukaKorisniku").innerHTML=poruka;
		return false;
		
	}
}