function chkF(field,alerttxt,reject){
	with (field) {
		if (value==null||value==""||value==reject){
			alert(alerttxt);
			return false
		} else { return true }
	}
}

function chkE(field,alerttxt){
	with (field){
		apos=value.indexOf("@")
		dotpos=value.lastIndexOf(".")
		if (apos<1||dotpos-apos<2) 
			  {alert(alerttxt);return false}
		else {return true}
	}
}

function contactForm(thisForm) {
	with (thisForm){
		if (chkF(name, "Please enter your name.", "asd")==false){
			name.focus();
			return false
		}
		
		if (chkE(email,"Sorry that isn't a valid Email Address")==false){
			email.focus();
			return false
		}
		
		if (chkF(message, "Please enter a Message", "asd")==false){
			message.focus();
			return false
		}
	}
}

function changeImg(img) {
	if(img.src.match("-over")) {
		img.src = img.src.split("-over").join("-butt");
	} else {
		img.src = img.src.split("-butt").join("-over");
	}
}

function changeText(img) {
	document.getElementById('pic-kelly').src = "images/pic-kelly.jpg";
	document.getElementById('pic-becci').src = "images/pic-becci.jpg";
	document.getElementById('pic-emma').src = "images/pic-emma.jpg";
	document.getElementById('pic-tami').src = "images/pic-tami.jpg";
	document.getElementById('pic-megan').src = "images/pic-megan.jpg";
	document.getElementById('pic-cloe').src = "images/pic-cloe.jpg";
	
	document.getElementById('txt-kelly').style.display = "none";
	document.getElementById('txt-becci').style.display = "none";
	document.getElementById('txt-emma').style.display = "none";
	document.getElementById('txt-tami').style.display = "none";
	document.getElementById('txt-megan').style.display = "none";
	document.getElementById('txt-cloe').style.display = "none";
	var imgname = "pic" + img;
	var txtname = "txt" + img;
	document.getElementById(imgname).src = "images/pic"+img+"-over.jpg";
	document.getElementById(txtname).style.display = "block";
}