/********************************************************************
CheckForm
********************************************************************/

// stk 2007/03/13
function ixFormError(objField, strError) {
	if(objField.getAttribute("message")) {
		alert(objField.getAttribute("message"));
	}
	else {
		switch(strError)
		{
			case "minlength":
				alert("Please enter at least "+objField.getAttribute("minlength")+" characters."); break;
			case "maxlength":
				alert("Please enter less than "+objField.getAttribute("maxlength")+" characters."); break;
			case "email":
				alert("Please enter a valid email address."); break;
			case "number":
				alert("Please enter numbers only."); break;
			case "minval":
				alert("Please enter a number equal to or greater than "+objField.getAttribute("minval")+"."); break;
			case "maxval":
				alert("Please enter a number equal to or less than "+objField.getAttribute("maxval")+"."); break;

			default:
				alert("Please complete all required fields."); break;
		}
	}

	objField.focus();
};

function ixCheckForm(objForm, strExtraValidation) {
	var emailRegex = /^([a-zA-Z0-9_\.\-])+\@(([a-zA-Z0-9\-])+\.)+([a-zA-Z0-9]{2,4})+$/;
	var formFields = objForm.elements;
	
	for(var i=0; i<formFields.length; i++) {
		
		// Check required
		if(formFields[i].getAttribute("required") && ((formFields[i].getAttribute("type") != "checkbox" && formFields[i].value == "") || (formFields[i].getAttribute("type") == "checkbox" && formFields[i].checked == false))) {
			ixFormError(formFields[i], "required");
			return false;
		}
		
		// Check min length
		if(formFields[i].getAttribute("minlength") && formFields[i].value.length < parseInt(formFields[i].getAttribute("minlength"))) {
			ixFormError(formFields[i], "minlength");
			return false;
		}
		
		// alert(formFields[i].value);
		
		// Check max length
		if(formFields[i].getAttribute("maxlength") && formFields[i].value.length > parseInt(formFields[i].getAttribute("maxlength"))) {
			ixFormError(formFields[i], "maxlength");
			return false;
		}
		
		// Check validation
		if(formFields[i].getAttribute("validation")) {
			switch(formFields[i].getAttribute("validation").split(":")[0])
			{
				case "regex":
					testRE = new RegExp(formFields[i].getAttribute("regex"));
					if(!formFields[i].value.match(testRE)) {
						ixFormError(formFields[i], "regex");
						return false;
					}
					break;
				
				case "email":
					if(!emailRegex.test(formFields[i].value) && formFields[i].value != "") {
						ixFormError(formFields[i], "email");
						return false;
					}
					break;
					
				case "number":
					if(isNaN(formFields[i].value)) {
						ixFormError(formFields[i], "number");
						return false;
					}
					if(formFields[i].getAttribute("minval") && parseFloat(formFields[i].value) < parseFloat(formFields[i].getAttribute("minval"))) {
						ixFormError(formFields[i], "minval");
						return false;
					}
					if(formFields[i].getAttribute("maxval") && parseFloat(formFields[i].value) > parseFloat(formFields[i].getAttribute("maxval"))) {
						ixFormError(formFields[i], "maxval");
						return false;
					}
					break;
					
				case "match":
					var matchField = formFields[i].getAttribute("validation").split(":")[1];
					if(formFields[i].value != objForm.elements[matchField].value) {
						ixFormError(formFields[i], "match");
						return false;
					}
					break;
			}			
		}
	}
	
	// check required fieldsets (at least one option must be checked)
	var formFieldsets = objForm.getElementsByTagName("FIELDSET");
	for(var i=0; i<formFieldsets.length; i++) {
		if(formFieldsets[i].getAttribute("required")) {
			var thisSetOk = false;
			var thisFields = formFieldsets[i].getElementsByTagName("INPUT");
			for(var x=0; x<thisFields.length; x++) {
				if(thisFields[x].checked == true) {
					thisSetOk = true;
					break;
				}
			}
			
			if(!thisSetOk) {
				ixFormError(formFields[i], "fieldset");
				return false;
			}
		}
	}
	
	// Pass on to extra validation function if specified
	if(strExtraValidation) {
		eval("extraValidationResult = " + strExtraValidation);
		if(extraValidationResult) {
			return true;
		}
		else {
			return false;
		}
	}
};

/********************************************************************
Cookies
********************************************************************/

function qStringToObject(strQS) {
	var objQS = new Object();
	arrPairs = strQS.split("&");
	for(var i=0; i<arrPairs.length; i++) {
		var thisPair = arrPairs[i].split("=");
		objQS[thisPair[0]] = unescape(thisPair[1]);
	}
	return objQS;
}

function createCookie(name,value,days) {
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}

function eraseCookie(name) {
	createCookie(name,"",-1);
}

/*
var userCookie = readCookie('arbUser');
if(userCookie) {
	arbUserCookie = qStringToObject(userCookie);
	
}
*/

/********************************************************************
AJAX Object
********************************************************************/

function ajaxObject(url, vars, callbackFunc) {
	var that=this;
	var updating = false;

	this.send = function() {
		if (updating==true) { return false; }
		updating=true;
		var AJAX = null;
		if (window.XMLHttpRequest) {
			// Mozilla
			AJAX=new XMLHttpRequest();
		} else {
			// IE
			AJAX=new ActiveXObject("Microsoft.XMLHTTP");
		}
		if (AJAX==null) {
			alert("Your browser doesn't support AJAX.");													  
			return false;
		} else {
			AJAX.onreadystatechange = function() {
				if (AJAX.readyState==4 || AJAX.readyState=="complete") {
					eval(callbackFunc+'("'+AJAX.responseText+'");');
					delete AJAX;
					updating=false;
				}
			}
			var timestamp = new Date();
			var uri=urlCall+'?'+vars+'&timestamp='+(timestamp*1);
			AJAX.open("GET", uri, true);
			AJAX.send(null);
			return true;
		}					 
	}
		
	var urlCall = url;
}  

/********************************************************************
Miscellaneous
********************************************************************/

String.prototype.trim = function() {
	var str = this;
	var whitespace = ' \n\r\t\f\x0b\xa0\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200a\u200b\u2028\u2029\u3000';
	for (var i = 0; i < str.length; i++) {
		if (whitespace.indexOf(str.charAt(i)) === -1) {
			str = str.substring(i);
			break;
		}
	}
	for (i = str.length - 1; i >= 0; i--) {
		if (whitespace.indexOf(str.charAt(i)) === -1) {
			str = str.substring(0, i + 1);
			break;
		}
	}
	return whitespace.indexOf(str.charAt(0)) === -1 ? str : '';
};

String.prototype.stripHTML = function() {
	return this.replace(/<(?:.|\s)*?>/g, '');
};

String.prototype.stripWhitespace = function() {
	var str = this.replace(/\t/g,' ');
	return str.replace(/\s{2,}/g,' ').trim();	
};

function searchStockists(oForm) {
	var pcVal = parseInt(oForm['Postcode'].value);
	if(pcVal > 0) {
		return true;
	}
	else {
		return false;
	}
};

function headingSwf(sElemID) {
	var h1 = document.getElementById(sElemID);
	var h1elems = h1.getElementsByTagName("span");
	var txt1 = escape(h1elems[0].innerHTML.stripHTML().stripWhitespace());
	var txt2 = escape(h1elems[1].innerHTML.stripHTML().stripWhitespace());
	var so = new SWFObject(BASEURL + "/resources/swf/heading.swf", sElemID + "_swf", "900", "20", "8", "#ffffff");
	so.addParam("wmode", "transparent");
	so.addVariable("txt1", txt1.toUpperCase());
	so.addVariable("txt2", txt2.toUpperCase());
	so.write(sElemID);
};

function reloadCaptcha() {
	document.getElementById("captcha").src = document.getElementById("captcha").src + "?hash=" + new Date();	
};

function toggleFieldVal(oField, bFocus) {
	if(bFocus) {
		oField.value = "";
	}
	else if(oField.value == "") {
		oField.value = oField.getAttribute("default");
	}
};

function toggleProdList(sID) {
	if(document.getElementById(sID).style.display == "none") {
		Effect.BlindDown(sID, {duration:0.3});
	}
	else {
		Effect.BlindUp(sID, {duration:0.3});
	}	
};

function toggleElem(sElemID) {
	var elem = document.getElementById(sElemID);
	if(elem.style.display != "block") {
		elem.style.display = "block";
	}
	else {
		elem.style.display = "none";
	}
};

function jumpSelect(sSelectID) {
	var oSelect = document.getElementById(sSelectID);
	if(oSelect.value != "") {
		window.location = oSelect.value;
	}
};

/********************************************************************
Onload
********************************************************************/

window.onload = function() {
	ixRollovers();
};