// JavaScript Document
function IsMail(_str){
	
     var tmp_str =_str;
     var pattern = /^[_a-z0-9-]+(.[_a-z0-9-]+)*@[a-z0-9-]+(.[a-z0-9-]+)*$/;
	 
     return pattern.test(tmp_str);
}
function checkform()
{
	var frm=document.getElementById('sweepstakes2007');
	
	///alert(IsMail(frm.email.value));
	
	//return false;
	if(frm.email.value=="")
	{
		alert('Email is required');
		frm.email.focus();
		return false;
	}else
	if(!IsMail(frm.email.value))
	{
		alert('Email is invalid');
		frm.email.focus();
		return false;
	}else
	if(frm.first.value=="")
	{
		alert('First name is required');
		frm.first.focus();
		return false;
	}else
	if(frm.last.value=="")
	{
		alert('Last name is required');
		frm.last.focus();
		return false;
	}else
	if(frm.address_1.value=="")
	{
		alert('Address 1 is required');
		frm.address_1.focus();
		return false;
	}else
	if(frm.city.value=="")
	{
		alert('City is required');
		frm.city.focus();
		return false;
	}else
	if(frm.state.value=="")
	{
		alert('State is required');
		frm.state.focus();
		return false;
	}else
	if(frm.zip.value=="")
	{
		alert('Zip is required');
		frm.zip.focus();
		return false;
	}else
	if(frm.custom_birthday.value=="")
	{
		alert('Birthday is required');
		frm.custom_birthday.focus();
		return false;
	}else
	{
		//alert('succ');
		return true;
	}
}