function checkemail(str){
	if(!str.match(/^[\w]{1}[\w\.\&\-_]*@[\w]{1}[\w\-_\.]*\.[\w]{2,6}$/i)){
		return false;}
	else{
		return true;}
}

function verify(){
	var Name=document.giveawayform.name.value
	var Email=document.giveawayform.email.value
	var Organization=document.giveawayform.organization.value
	var Aircraft=document.giveawayform.aircraft.value
	if(Name==""){
		alert("Please enter your name")
		document.giveawayform.name.focus();
		return false;}
	if(Organization==""){
		alert("Please enter your organization")
		document.giveawayform.organization.focus();
		return false;}
	if(Email==""){
		alert("Please enter your email address")
		document.giveawayform.email.focus();
		return false;}
	if(!checkemail(Email)){
		alert("Your email address is not going to work please input it again")
		document.giveawayform.email.focus();
		return false;}
	if(Aircraft==""){
		alert("Please enter your aircraft and serial number")
		document.giveawayform.aircraft.focus();
		return false;}
}