function validator() {
	/*
	 * A period is required before the class name
	 */
	this.requiredClass = ".form-required";
	this.phoneClass = ".form-phone";
	this.doubleClass = ".form-double";
	this.success = true;
	
	this.validateRequired = function(node) {
		if(node)
			var fields = node.find(this.requiredClass);
		else
			var fields = jq(this.requiredClass);
		
		var fields_ary = jq.makeArray(fields);
		var i;
		var success = true;
		
		for(i = 0; i < fields_ary.length; i++) {
			jq(fields_ary[i]).parent().find('.field-error').remove();
			
			if(trim(jq(fields_ary[i]).val()).length == 0) {
				jq(fields_ary[i]).parent().append('<span class="field-error">Required</span>');
				success = false;
			}
		}
		return success;
	}
	
	this.validatePhone = function(node) {
		if(node)
			var fields = node.find(this.phoneClass);
		else
			var fields = jq(this.phoneClass);
		
		var fields_ary = jq.makeArray(fields);
		var i;
		var success = true;
		for(i = 0; i < fields_ary.length; i++) {
			
			jq(fields_ary[i]).parent().find('.field-error').remove();
			
			var regEx = /^([0-9]|\s|-|\)|\(|\+)*$/;
			
			if(!(regEx.test(jq(fields_ary[i]).val()))) {
				jq(fields_ary[i]).parent().append('<span class="field-error">Invalid Phone Number</span>');
				success = false;
			}
		}
		return success;
	}
	
	this.validateDouble = function(node) {
		if(node)
			var fields = node.find(this.doubleClass);
		else
			var fields = jq(this.doubleClass);
		
		var fields_ary = jq.makeArray(fields);
		var i;
		var success = true;
		for(i = 0; i < fields_ary.length; i++) {
			jq(fields_ary[i]).parent().find('.field-error').remove();
			
			var regEx = /(^(0|[1-9][0-9]*)$)|((^(0?|[1-9][0-9]*)\.(0*[1-9][0-9]*)$)|(^[1-9]+[0-9]*\.0+$)|(^0\.0+$))/;
			
			if(trim(jq(fields_ary[i]).val()).length > 0 && !(regEx.test(jq(fields_ary[i]).val()))) {
				jq(fields_ary[i]).parent().append('<span class="field-error">Invalid Number</span>');
				success = false;
			}
		}
		return success;
	}

}


function trim(s) {
 	var trimmed = s.replace(/^\s+|\s+$/g, '');
	return trimmed;
}

function validateEmail() {
 	var emails = jq('.email:not(.hidden)').next();
	emails.each(function() {
		var val = jq(this).val();
		if(trim(val).length > 0) {
			if(!checkEmail(val)) {
				emailFailed += jq(this).attr('name') + ", ";
			}
		}
	});
}
/**
  * Reference: Sandeep V. Tamhankar (stamhankar@hotmail.com),
  * http://javascript.internet.com
  */
 function checkEmail(emailStr) {
    if (emailStr.length == 0) {
        return true;
    }
    var emailPat=/^(.+)@(.+)$/;
    var specialChars="\\(\\)<>@,;:\\\\\\\"\\.\\[\\]";
    var validChars="\[^\\s" + specialChars + "\]";
    var quotedUser="(\"[^\"]*\")";
    var ipDomainPat=/^(\d{1,3})[.](\d{1,3})[.](\d{1,3})[.](\d{1,3})$/;
    var atom=validChars + '+';
    var word="(" + atom + "|" + quotedUser + ")";
    var userPat=new RegExp("^" + word + "(\\." + word + ")*$");
    var domainPat=new RegExp("^" + atom + "(\\." + atom + ")*$");
    var matchArray=emailStr.match(emailPat);
    if (matchArray == null) {
        return false;
    }
    var user=matchArray[1];
    var domain=matchArray[2];
    if (user.match(userPat) == null) {
        return false;
    }
    var IPArray = domain.match(ipDomainPat);
    if (IPArray != null) {
        for (var i = 1; i <= 4; i++) {
           if (IPArray[i] > 255) {
              return false;
           }
        }
        return true;
    }
    var domainArray=domain.match(domainPat);
    if (domainArray == null) {
        return false;
    }
    var atomPat=new RegExp(atom,"g");
    var domArr=domain.match(atomPat);
    var len=domArr.length;
    if ((domArr[domArr.length-1].length < 2) ||
        (domArr[domArr.length-1].length > 3)) {
        return false;
    }
    if (len < 2) {
        return false;
    }
    return true;
 }