function check(target) {	
	if(target.value !== "") {
		target.className = "selected";
	} else {
		target.className = "";
	}
}

function checkAll() {
	field = new Array('user','pass');
	
	for(var i = 0; i < field.length; i++) {
		if(document.Formular[field[i]])	{
			check(document.Formular[field[i]]);
		}		
	}
}

function validateForm(target) {
	
	if(target['user'].value == "") {
		target['user'].style.backgroundColor = "red";
		return false;
	} else {
		target['user'].style.backgroundColor = "white";
	}
	
	if(target['pass'].value == "") {
		target['pass'].style.backgroundColor = "red";
		return false;
	} else {
		target['pass'].style.backgroundColor = "white";
	}
}