function checkForm() {
    currfield = document.getElementById("companyName");
     if (currfield.value.length == 0)  {
        alert('The name of the company is missing!');
        currfield.focus();
        return;
     }

     currfield = document.getElementById("name");
     if (currfield.value.length == 0)  {
        alert('The name of the contact person is missing!');
        currfield.focus();
        return;
     }

     currfield = document.getElementById("elerhetoseg");
     if (currfield.value.length == 0)  {
        alert('The address is missing!');
        currfield.focus();
        return;
     }

     currfield = document.getElementById("email");
     if (currfield.value.length == 0)  {
        alert('Your email address is missing!');
        currfield.focus();
        return;
     }
	 if(checkEmail(currfield.value)==false){
		alert('Your email address is missing!');
        currfield.focus();
        return;
	 }

     currfield = document.getElementById("phone");
     if (currfield.value.length == 0)  {
        alert("Contact person's phone number is missing");
        currfield.focus();
        return;
     }

     currfield = document.getElementById("felrakasorszag");
     if (currfield.value.length == 0)  {
        alert('Loading country is missing!');
        currfield.focus();
        return;
     }

     currfield = document.getElementById("lerakasorszag");
     if (currfield.value.length == 0)  {
        alert('Unloading country is missing!');
        currfield.focus();
        return;
     }

     currfield = document.getElementById("megnevezes");
     if (currfield.value.length == 0)  {
        alert('The name of the cargo is missing!');
        currfield.focus();
        return;
     }


     document.guest_data.submit();
}