function signup_validate(){
	message = "";
	if (document.getElementById('userid').value.length < 6 || document.getElementById('userid').value.length > 20){
		message += 'Userid is required. (6 to 20 characters)\n';
	};
	if (document.getElementById('password').value.length < 6 || document.getElementById('password').value.length > 20){
		message += 'Password is required. (6 to 20 characters)\n';
	};
	if (document.getElementById('password').value != document.getElementById('password2').value){
		document.getElementById('password').value = "";
		document.getElementById('password2').value = "";
		message += 'Passwords do not match! Please check again.\n';
	};
	if (document.getElementById('name').value.length < 1 || document.getElementById('name').value.length > 200){
		message += 'Name is required. (1 to 200 characters)\n';
	};

	apos=document.getElementById('email').value.indexOf("@");
	dotpos=document.getElementById('email').value.lastIndexOf(".");
	if (apos<1||dotpos-apos<2) {
		message += 'Invalid email address.\n';
	};

	if (document.getElementById('petname').value.length < 6 || document.getElementById('petname').value.length > 20){
		message += 'Pet name is required. (6 to 20 characters)\n';
	};
	
	if (message){
		message = "Ooops! Seems like you have an error with some of the fields: \n\n" + message;
		alert(message);
		return false;
	} else {
		return true;
	}
}
function update_validate(){
	message = "";
	if (document.getElementById('password1').value != document.getElementById('password2').value){
		document.getElementById('password1').value = "";
		document.getElementById('password2').value = "";
		message += 'Passwords do not match! Please check again.\n';
	};
	if (document.getElementById('name').value.length < 1 || document.getElementById('name').value.length > 200){
		message += 'Name is required. (1 to 200 characters)\n';
	};

	apos=document.getElementById('email').value.indexOf("@");
	dotpos=document.getElementById('email').value.lastIndexOf(".");
	if (apos<1||dotpos-apos<2) {
		message += 'Invalid email address.\n';
	};

	if (document.getElementById('petname').value.length < 6 || document.getElementById('petname').value.length > 20){
		message += 'Pet name is required. (6 to 20 characters)\n';
	};

	if (message){
		message = "Ooops! Seems like you have an error with some of the fields: \n\n" + message;
		alert(message);
		return false;
	} else {
		return true;
	}
}