var reWhitespace = /^\s+$/;
	function isEmpty (s) {   
		return ((s == null) || (s.length == 0) || reWhitespace.test(s));
	}
	
	function validateForm() {
		myForm = document.forms[0];
		
		if (isEmpty(myForm.name.value)) {
			alert("Please enter your name");
			myForm.name.focus();
			return(false);
		}
		
		if (isEmpty(myForm.company.value)) {
			alert("Please enter your company name");
			myForm.company.focus();
			return(false);
		}
		
		if (isEmpty(myForm.position.value)) {
			alert("Please enter your position");
			myForm.position.focus();
			return(false);
		}
		
		if (isEmpty(myForm.country.value)) {
			alert("Please enter your country");
			myForm.country.focus();
			return(false);
		}
		
		if (isEmpty(myForm.phone.value)) {
			alert("Please enter your phone number");
			myForm.phone.focus();
			return(false);
		}
		
		if (isEmpty(myForm.email.value)) {
			alert("Please enter your email address");
			myForm.email.focus();
			return(false);
		}
		
		if (!(emailCheck(myForm.email.value))) {
			return(false);
		}
		
		if (isEmpty(myForm.comments.value)) {
			alert("Please enter your question or comments");
			myForm.comments.focus();
			return(false);
		}
		
		return(true);
	}