function isEmailValid(str) {
	var re = /^[\w-]+(\.[\w-]+)*@([\w-]+\.)+[a-zA-Z]{2,7}$/;
	if (!str.match(re)) {
		return false;
	} else {
		return true;
	}
}

function focusTB(x){
	if(z=document.getElementById(x)){
		z.focus();
		z.select();
	} else {
		//alert('Error accessing ' + x);
	}
}


function checkComments(){
	var nameField = document.getElementById('eman');
	var emailField = document.getElementById('liame');
	var commentsField = document.getElementById('stnemmoc');

	if(nameField.value != ''){
		if(commentsField.value != ''){
			if(emailField.value != ''){
				if(isEmailValid(emailField.value)){
					return(true);
				} else {
					alert('Please check your email address for accuracy...');
					focusTB('liame');
				}
			} else {
				alert('Please supply your email address...');
				focusTB('liame');
			}
		} else {
			alert('You forgot the comments...');
			focusTB('stnemmoc');
		}
	} else {
		alert('Please enter your name...');
		focusTB('eman');
	}
	return(false);
}