function checkSubmit(form) {
	if(form.firstname.value.length==0 || !isNaN(form.firstname.value)){
		alert("Please enter your first name.");
		form.firstname.focus();
		return false;
	}
	if(form.lastname.value.length==0 || !isNaN(form.lastname.value)){
		alert("Please enter your last name.");
		form.lastname.focus();
		return false;
	}
	var regPhone = /^(?:\([2-9]\d{2}\)\ ?|[2-9]\d{2}(?:\-?|\ ?|\.?))[2-9]\d{2}[- .]?\d{4} ?$|^(?:\([2-9]\d{2}\)\ ?|[2-9]\d{2}(?:\-?|\ ?|\.?))[2-9]\d{2}[- .]?\d{4} *x\d*$/; 
	if (!form.phone.value.match(regPhone)) {
		alert("Please enter a valid phone number.");
		form.phone.focus();
		return false;
	}
	var regEmail = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
	if (!form.email.value.match(regEmail)) {
		alert("Please enter a valid email address.");
		form.email.focus();
		return false;
	}
}

try { 
	document.execCommand('BackgroundImageCache', false, true); 
}
catch(e){} 

function createYear() {
	var year = (new Date()).getFullYear();
	document.write(year);
}