function change(img){
	document.getElementById('appimg').src = 'content' + "/" + img;
}

function validate(){
	name = document.getElementById('inputName').value;	
	email = document.getElementById('inputEmailAddress').value;
	msg = document.getElementById('inputMessage').value;	
	
	errmsg = '';
	
	if(name == '')
		errmsg = errmsg + "'Name' field can't be empty.\n"
		
	if(email == '')
		errmsg = errmsg + "'Email' field can't be empty.\n"
				
	if(msg == '')
		errmsg = errmsg + "'Message' field can't be empty."		
		
	if(errmsg != ''){
		alert(errmsg);
		return false;
	}else{
		return true;
	}
	
}