function rollOn(num){
	var navText = ['home', 'capabilities', 'experience', 'work', 'contact', 'news & info'];
	document.getElementById('nav'+num).firstChild.data = navText[num];
	return true;
}

function rollOut(num){
	var navText = ['home', 'how i can help', 'what sets me apart','what i\'ve done','what\'s next','news & info'];
	document.getElementById('nav'+num).firstChild.data = navText[num];
	return true;	
}

//form validation
function validate_required(field,alerttxt){
	with (field){
	  if (value==null||value==""){
		alert(alerttxt);return false;
	  }else{
	  	return true;
	  }
	}
}

function validate_form(thisform){
	with (thisform){
		if (validate_required(name,"\"name\" is required.") == false){
			name.focus();return false;
		}
		if (validate_required(subject,"\"subject\" is required.") == false){
			subject.focus();return false;
		}
		if (validate_required(message,"\"message\" is required.") == false){
			message.focus();return false;
		}
	}
}

$(function() {
	$('.zoom_btn a').lightBox();$('.zoom_btn2 a').lightBox();
});