function validate() {
	if (!document.getElementById('contact_form')) { 
		return;
	}
	
	var els = [document.getElementById('name'), document.getElementById('email'), document.getElementById('comments')];
	
	for (var i=0; i<els.length; i++) {
		els[i].onfocus = function(el) {
			return function() {
				el.style.borderColor = "#cccccc";
			};
		}(els[i]);
	}
	
	document.getElementById('contact_form').onsubmit = function() {
		var error = 0;
		
		document.getElementById('name').style.borderColor = "#cccccc";
		document.getElementById('email').style.borderColor = "#cccccc";
		document.getElementById('comments').style.borderColor = "#cccccc";
		
		if (document.getElementById('name').value == '') {
			document.getElementById('name').style.borderColor = "#b28b4f";
			error = 1;
		}
		
		if (document.getElementById('email').value == '') {
			document.getElementById('email').style.borderColor = "#b28b4f";
			error = 1;
		}
		
		if (document.getElementById('comments').value == '') {
			document.getElementById('comments').style.borderColor = "#b28b4f";
			error = 1;
		}
		
		if (error === 1) {
			alert('Oops! Please fill out the highlighted fields and try again...');
			return false;
		} else {
			return true;
		}
	};
}

window.onload = validate;