function validateForm(){
	var errorstring="The following information is incorrect in the form:\n";
	var email=document.forms["whitepaperForm"]["email_address"].value;
	var firstname=document.forms["whitepaperForm"]["first_name"].value;
	var lastname=document.forms["whitepaperForm"]["last_name"].value;
	var atpos=email.indexOf("@");
	var dotpos=email.lastIndexOf(".");
	if (atpos<1 || dotpos<atpos+2 || dotpos+2>=x.length){
	  	errorstring+="Please enter a valid e-mail address\n";
	}
	if(firstname==''){
		errorstring+="Please enter a first name\n";
	}
	if(lastname==''){
		errorstring+="Please enter a last name\n";
	}
	if(errorstring != 'The following information is incorrect in the form:\n'){
		alert(errorstring);
		return false;
	}
}