function formsubmit()
{
	document.getElementById('errormsg').style.visibility = 'hidden';
	formObj = document.getElementById('contactform');

	for	(i=1; i<formObj.elements.length; i++) {
		if(!formObj.elements[i].value.length) {
			document.getElementById('errormsg').style.visibility = 'visible';
			return false;
		}
	}

	return true;
}


function formchange()
{
	document.getElementById('errormsg').style.visibility = 'hidden';
}


function changeImg(aFrom, aTo)
{
	aFrom.src = aTo.src;
}