//---------------------------------------------------------------------------
//
// Common Javascripts for All/Most Pages  
// 
//---------------------------------------------------------------------------



//---------------------------------------------------------------------------
// -- Generic Form Validation --------------------------------------------------
// -----------------------------------------------------------------------------
// Generic Form Validation
//
// Copyright (C) 2000 Jacob Hage - [jacobhage@hotmail.com]
// Distributed under the terms of the GNU Library General Public License
// Documentation at http://www.hagedesign.dk/scripts/js/validation/
// -----------------------------------------------------------------------------

// -----------------------------------------------------------------------------
// Initializing script  - setting global variables
// -----------------------------------------------------------------------------
var checkObjects		= new Array(); 	// Array containing the objects to validate.
var errors				= ""; 			// Variable holding the error message.
var returnVal			= false; 		// General return value. The validated form will only be submitted if true.
var language			= new Array(); 	// Language independent error messages!
var selectecLanguage	= "english";	// Choose between "english", "danish", "dutch", "french", "spanish", "russian", "portuguese"
language.english		= new Array();

// Error messages in english:
	language.english.header		= "The following error(s) occured:\n"
	language.english.start		= "  --> ";
	language.english.field		= "The \"";
	language.english.require	= "\" field is required";
	language.english.min		= " and must consist of at least ";
	language.english.max		= " and must not contain more than ";
	language.english.minmax		= " and no more than ";
	language.english.chars		= " characters";
	language.english.num		= " and must contain only numbers";
	language.english.special	= "\" must contain no special characters";
	language.english.email		= "\" must contain a valid e-mail address";
	language.english.footer		= "Please correct the error(s) to yield better results.\n"

// -----------------------------------------------------------------------------
// define - Call this function to initalize validation fields.
//
// f = form name containing the input field ("<FORM NAME=") (Required)
// n = name of the input field ("<INPUT|SELECT|TEXTAREA NAME=") (Required)
// type= string, num, string_opt (Required)
// HTMLname= descriptive name of input field (Required)
// min = the value must have at least [min] characters (Optional)
// max = the value must have maximum [max] characters (Optional)
// d = (Optional)
// -----------------------------------------------------------------------------
function define(f,n,type,HTMLname,min,max,d){

	var p;
	var i;
	var x;
	if(!d) d=document;
	if((p=n.indexOf("?"))>0&&parent.frames.length){
	    	d=parent.frames[n.substring(p+1)].document;
    		n=n.substring(0,p);
	}
	if(!(x=d[f][n])&&d.all[f][n]) x=d.all[f][n];

  	for (i=0;!x&&i<d.forms.length;i++){
		if (d.forms[i].name == f) {
  			x=d.forms[i][n];
		}
  	}
	for(i=0;!x&&d.layers&&i<d.layers.length;i++){
		x=define(f,n,type,HTMLname,min,max,d.layers[i].document);
		return x;		
	}
	
	// Create Object. The name will be "V_something" where something is the "n" parameter above.
	eval("V_"+n+" = new formResult(f,x,type,HTMLname,min,max);");
	checkObjects[eval(checkObjects.length)] = eval("V_"+n);
}

// -----------------------------------------------------------------------------
// formResult - Used internally to create the objects
// -----------------------------------------------------------------------------
function formResult(formName,form,type,HTMLname,min,max){
	this.formName = formName;
	this.form = form;
	this.type = type;
	this.HTMLname = HTMLname;
	this.min  = min;
	this.max  = max;
}


// -----------------------------------------------------------------------------
// validate - Call this function onSubmit and return the "returnVal". (onSubmit="validate(this.name);return returnVal;")
// formName = form name containing the input field ("<FORM NAME=") (Required)
// -----------------------------------------------------------------------------
function validate(formName){

	// Define fields to validate
	init(formName);

	if(checkObjects.length>0){
		errorObject = "";
	
		for(i=0;i<checkObjects.length;i++){
			formName				= checkObjects[i].formName;
			validateObject 			= new Object();
			validateObject.form 	= checkObjects[i].form;
			validateObject.HTMLname = checkObjects[i].HTMLname;

			// START: Select Box handeling for IE/Netscape
			if (checkObjects[i].form.value != null) // for IE
			{
				validateObject.val 		= checkObjects[i].form.value;
				validateObject.len 		= checkObjects[i].form.value.length;
			}
			else // for Netscape
			{
				validateObject.val 		= document[formName][checkObjects[i].form.name].options[document[formName][checkObjects[i].form.name].options.selectedIndex].value;
				validateObject.len 		= document[formName][checkObjects[i].form.name].options[document[formName][checkObjects[i].form.name].options.selectedIndex].value.length;
			}
			// END: Select Box handeling for IE/Netscape
			
			validateObject.min 		= checkObjects[i].min;
			validateObject.max 		= checkObjects[i].max;
			validateObject.type 	= checkObjects[i].type;
			
			//Debug alert line
			//alert("validateObject: "+validateObject+"\nvalidateObject.val: "+validateObject.val+"\nvalidateObject.len: "+validateObject.len+"\nvalidateObject.min,validateObject.max: "+validateObject.min+","+validateObject.max+"\nvalidateObject.type: "+validateObject.type);
			
			// Checking input. If "min" and/or "max" is defined the input has to be within the specific range
			if(validateObject.type == "num" || validateObject.type == "string"){
				if((validateObject.type == "num" && validateObject.len <= 0) || (validateObject.type == "num" && isNaN(validateObject.val))){errors+=language[selectecLanguage].start+language[selectecLanguage].field+validateObject.HTMLname+language[selectecLanguage].require+language[selectecLanguage].num+"\n";
				} else if (validateObject.min && validateObject.max && (validateObject.len < validateObject.min || validateObject.len > validateObject.max)){errors+=language[selectecLanguage].start+language[selectecLanguage].field+validateObject.HTMLname+language[selectecLanguage].require+language[selectecLanguage].min+validateObject.min+language[selectecLanguage].minmax+validateObject.max+language[selectecLanguage].chars+"\n";
				} else if (validateObject.min && !validateObject.max && (validateObject.len < validateObject.min)){errors+=language[selectecLanguage].start+language[selectecLanguage].field+validateObject.HTMLname+language[selectecLanguage].require+language[selectecLanguage].min+validateObject.min+language[selectecLanguage].chars+"\n";
				} else if (validateObject.max && !validateObject.min &&(validateObject.len > validateObject.max)){errors+=language[selectecLanguage].start+language[selectecLanguage].field+validateObject.HTMLname+language[selectecLanguage].require+language[selectecLanguage].max+validateObject.max+language[selectecLanguage].chars+"\n";
				} else if (!validateObject.min && !validateObject.max && validateObject.len <= 0){errors+=language[selectecLanguage].start+language[selectecLanguage].field+validateObject.HTMLname+language[selectecLanguage].require+"\n";
				} else if ((validateObject.val.indexOf("<") != -1) || (validateObject.val.indexOf(">") != -1)){errors+=language[selectecLanguage].start+language[selectecLanguage].field+validateObject.HTMLname+language[selectecLanguage].special+"\n";
				}
			} else if(validateObject.type == "email"){
				// Checking existense of "@" and ".". The length of the input must be at least 5 characters. The "." must neither be preceding the "@" nor follow it.
				if((validateObject.val.indexOf("@") == -1) || (validateObject.val.charAt(0) == ".") || (validateObject.val.charAt(0) == "@") ||(validateObject.len < 6) || (validateObject.val.indexOf(".") == -1) || (validateObject.val.charAt(validateObject.val.indexOf("@")+1) == ".") || (validateObject.val.charAt(validateObject.val.indexOf("@")-1) == ".")){errors+=language[selectecLanguage].start+language[selectecLanguage].field+validateObject.HTMLname+language[selectecLanguage].email+"\n";}
			} else if(validateObject.type == "string_opt"){
				if ((validateObject.val.indexOf("<") != -1) || (validateObject.val.indexOf(">") != -1)){errors+=language[selectecLanguage].start+language[selectecLanguage].field+validateObject.HTMLname+language[selectecLanguage].special+"\n";}
			}
		}
	}

 	// Purge defined validation fields for next iteration/submission
 	checkObjects = new Array();

	// Used to set the state of the returnVal. If errors -> show error messages in chosen language
	if(errors){
		alert(language[selectecLanguage].header.concat("\n"+errors+"\n"+language[selectecLanguage].footer));
		errors = "";  // reset for next form submission
		returnVal = false;
	} else {
		returnVal = true;
	}
	return returnVal;
}


// -----------------------------------------------------------------------------
// Used to initalize the form fields to validate
// init - Called via "validate(formName)" function
// formName = name of the FORM to validate
// *** This function is custom to each form to validate. ***
// -----------------------------------------------------------------------------
function init(formName)
{
	if (formName == 'form1') //  RBL Unblock form
	{
		define(formName, 'first1', 'string', 'Anti-spam');
		define(formName, 'ipaddress', 'string', 'IP address');
		define(formName, 'user_name', 'string', 'Name');
		define(formName, 'company_name', 'string', 'Company Name');
		define(formName, 'email_address', 'email', 'email field');
		define(formName, 'phone_number', 'string', 'Phone #');
		define(formName, 'comments', 'string', 'NDR output');
		return;
	}
}
// -- /Generic Form Validation -------------------------------------------------