var	typed = false;

function formHint(){
		if(document.getElementById('user').value == ""){
			document.getElementById('user').style.color = "#aaaaaa"; 
			document.getElementById('user').value = 'username';
		}else{
			document.getElementById('user')=document.getElementById('user');
		}
}

function inputFocus(){
	if(typed == false){
		if(document.getElementById('user').value == "username"){
			document.getElementById('user').style.color = "#000000";
			document.getElementById('user').value = "";
		}
	}
}

function trackType(){
	if(document.getElementById('user').value != ""){
		typed = true;
	}else{
		typed = false;
	}
}

window.onload = formHint;