/* Copyright Victor Tai*/

function checkText(txt, name, len, required){		
	return (required)?((txt.length != len)?"Please enter a proper " + name + ".\n":""):((txt)?((txt.length != len)?"Please enter a proper " + name + ".\n":""):(""))	
}

function isEmpty(field, name){
	return (!field)?"Please enter " + name + ".\n":"";
}

function isEmail(email, required){
	return (required)?((email.indexOf('.')==-1 || email.indexOf('@')==-1)?"Please enter a proper email.\n":""):((email)?((email.indexOf('.')==-1 || email.indexOf('@')==-1)?"Please enter a proper email.\n":""):(""))
}

function notMatch(src, target, msg){
	return (src == target)?"":msg;
}

function validate(){
	err = "";

	for(var x=0; x<(validate.arguments.length); x++)
		err = err + eval(validate.arguments[x]);

	if (err.length)alert(err);
		return !err.length;
}