// JavaScript Document
function check_contact(form) 
{
var emailFilter=/^.+@.+\..{2,3}$/;
var illegalChars= /[\(\)\<\>\,\;\:\\\/\"\[\]]/;
var re = /\s/;									
	if (form.first_name.value == ''){
		alert("Please enter your first name...");
		form.first_name.focus();
		return false;
	}
	if (form.last_name.value == ''){
		alert("Please enter your last name...");
		form.last_name.focus();
		return false;
	}
	if (form.company_name.value == ''){
		alert("Please enter your company name...");
		form.company_name.focus();
		return false;
	}
	if (form.email_address.value=="" || form.email_address.value.match(illegalChars) || !(emailFilter.test(form.email_address.value))){
		alert("Please enter a valid email address...");
		form.email_address.focus();
		return false;
	}
	var stripped = form.telephone.value.replace(/[\(\)\.\-\ ]/g, '');
	if (form.telephone.value=='' || isNaN(parseInt(stripped))) {
		alert("Your telephone number is incomplete or contain invalid characters...");
		form.telephone.focus();
		return false;
	}
}