// Check for duplicate Password Values								
function checkPswd(val) {
	//window.alert("We're Here!");
	
	var p1 = document.getElementById('pswd1');
	var p2 = document.getElementById('pswd2');
	var u = document.getElementById('usr_name');

	// Either Field Empty
	if(p1.value == '' || p2.value == '') {
		return;
	}

	if(p1.value == u.value || p2.value == u.value) {
		window.alert("Choose a password different from your user name!");
		p1.value = '';
		p2.value = '';
		return;
	}
	
	// Passwords do not match
	if(p1.value != p2.value) {
		window.alert("Passwords do not match!");
		p1.value = '';
		p2.value = '';
		return;
	}	
}

// check email
function checkEmail(eml) {
	if( ((eml.lastIndexOf('.') <= eml.indexOf('@')) || eml.indexOf('@')==-1) && eml != '' ) {
		window.alert("Bad email address!");
		document.getElementById('usr_email').value = '';
		return false;
	}
	
	// check for existing email address
	if(list[eml] == 1) { 
		window.alert("The email address '"+eml+"' is already taken.\nPlease choose another");
		document.getElementById('usr_email').value = '';
	}

}

// check form
function checkForm() {
	if(	document.register.usr_name == '' || document.register.p_pswd == '' ||
			document.register.p_pswd2 == '' || document.register.usr_fname == '' ||
			document.register.usr_lname == '' || document.register.usr_email == '' ) {
		window.alert("Please fill in all required elements before submitting.");
		return false;
	}		
}
// check list

// 	checks for existing user or email (id given from onblur)
//	creates a list if not already created
function checkUsr(n) {
	if(list[n] == 1) { 
		window.alert("The user name '"+n+"' is already taken.\nPlease choose another");
		document.register.usr_name.value = "";
	}
}