function check_all(){

	if (document.register.First_name.value == "") {
		alert("Plesae fill your first name");
		document.register.First_name.focus();
		return false;
	}
	if (document.register.Last_name.value == "") {
		alert("Plesae fill your last name");
		document.register.Last_name.focus();
		return false;
	}
	if (document.register.Company.value == "") {
		document.register.Company.focus();
		alert("Plesae fill your company");
		return false;
	}/*
	if (document.register.Adress.value == "" ) {
		alert("Plesae fill your adress");
		document.register.Adress.focus();
		return false;
	}	
	if (document.register.Zipcode.value == "" ) {
		alert("Plesae fill your zipcode");
		document.register.Zipcode.focus();
		return false;
	}
		if (document.register.City.value == "" ) {
		document.register.City.focus();
		alert("Plesae fill your city");
		return false;
	}*/
	
		var a = eval('document.register.email.value');
	var reg = /^[_a-zA-Z0-9-]+(\.[_a-zA-Z0-9-]+)*@[a-zA-Z0-9-]+(\.[a-zA-Z0-9-]+)+$/ ;
	if (!reg.exec(a)){
		document.register.email.focus();
		alert("Please use a valid email adress like user@host");
		return false;
	}
	if (document.register.Country.value == "" ) {
		document.register.Country.focus();
		alert("Plesae fill your country");
		return false;
	}

	if (document.register.Phone.value == "") {
		document.register.Phone.focus();
		alert("Plesae fill your phone number");
		return false;
	}	
	/*if (document.register.fax.value == "" ) {
		alert("Plesae fill your fax");
		document.register.fax.focus();
		return false;
	}	*/
	
return true;
}