function displayError(errormessage, textarea, messagearea) {
	document.getElementById(messagearea).innerHTML = " "+errormessage;
	document.getElementById(textarea).className = "errorinput";	
}

function resetError(textarea, messagearea) {
	document.getElementById(messagearea).innerHTML = "";
	document.getElementById(textarea).className = "input";
}

function removeText(text,id) {
	if(document.getElementById(id).value == text) {
		document.getElementById(id).value = '';
		document.getElementById(id).style.color = "#000";
	}
}
			
function addText(text,id) {
	if(document.getElementById(id).value == '' || document.getElementById(id).value == text) {
		document.getElementById(id).value = text;
		document.getElementById(id).style.color = "#999";
	}
}