// Information Request Form Validation JavaScript Document

	function validate_required(field,alerttxt){
		with (field){
			if (value==null||value=="")
			  {alert(alerttxt);return false}
			else {return true}
		}
	}
	
	function validate_email(field,alerttxt){
		with (field){
			apos=value.indexOf("@")
			dotpos=value.lastIndexOf(".")
			if (apos<1||dotpos-apos<2) 
			  {alert(alerttxt);return false}
			else {return true}
		}
	}
	
	function validate_zip(field,alerttxt){
		with (field){
			if (value==null||value=="" || value.length < 5)
			  {alert(alerttxt);return false}
			else {return true}
		}
	}

	function validate_form(thisform){
		with (thisform){
			if (validate_required(firstName,"Please enter your first name.")==false)
				{firstName.focus();return false}
			if (validate_required(lastName,"Please enter your last name.")==false)
				{lastName.focus();return false}
			if (validate_email(email,"Please enter a valid e-mail address.")==false)
				{email.focus();return false}
			if (validate_zip(zip,"Please enter your zip code.")==false)
				{zip.focus();return false}
			if (validate_required(learn,"Please tell us how you heard about us.")==false)
				{learn.focus();return false}
		}
	}