function addEvent(elm, evType, fn, useCapture){if(elm.addEventListener){elm.addEventListener(evType, fn, useCapture);return true;}else if (elm.attachEvent){var r = elm.attachEvent('on' + evType, fn);return r;}else{elm['on' + evType] = fn;}}

var newWindow = null;

function closeWin(){
	if (newWindow != null){
		if(!newWindow.closed)
			newWindow.close();
	}
}

function popUpWin(url, type, strWidth, strHeight){
	
	closeWin();
		
	type = type.toLowerCase();
	
	if (type == "fullscreen"){
		strWidth = screen.availWidth;
		strHeight = screen.availHeight;
	}
	var tools="";
	if (type == "standard") tools = "resizable,toolbar=yes,location=yes,scrollbars=yes,menubar=yes,width="+strWidth+",height="+strHeight+",top=0,left=0";
	if (type == "console" || type == "fullscreen") tools = "resizable,toolbar=no,location=no,scrollbars=no,width="+strWidth+",height="+strHeight+",left=0,top=0";
	newWindow = window.open(url, 'newWin', tools);
	newWindow.focus();
}

function doPopUp(e)
{
//set defaults - if nothing in rel attrib, these will be used
var t = "standard";
var w = "780";
var h = "580";
//look for parameters
attribs = this.rel.split(" ");
if (attribs[1]!=null) {t = attribs[1];}
if (attribs[2]!=null) {w = attribs[2];}
if (attribs[3]!=null) {h = attribs[3];}
//call the popup script
popUpWin(this.href,t,w,h);
//cancel the default link action if pop-up activated
if (window.event) 
	{
	window.event.returnValue = false;
	window.event.cancelBubble = true;
	} 
else if (e) 
	{
	e.stopPropagation();
	e.preventDefault();
	}
}

function findPopUps()
{
var popups = document.getElementsByTagName("a");
for (i=0;i<popups.length;i++)
	{
	if (popups[i].rel.indexOf("popup")!=-1)
		{
		// attach popup behaviour
		popups[i].onclick = doPopUp;
		// add popup indicator
		if (popups[i].rel.indexOf("noicon")==-1)
			{
			popups[i].style.backgroundImage = "url(pop-up.gif)";
			popups[i].style.backgroundPosition = "0 center";
			popups[i].style.backgroundRepeat = "no-repeat";
			popups[i].style.paddingLeft = "15px";
			}
		// add info to title attribute to alert fact that it's a pop-up window
		popups[i].title = popups[i].title + " [Opens in pop-up window]";
		}
	}
}

addEvent(window, 'load', findPopUps, false);


function newWindow(width, height) {
	if (width == null){
		width = 500;
	}
	if (height == null){
		height = 475;
	} 
	window.open("","windowname","toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,width="+width+",height="+height+",top=30,left=30");
}


function updateQty(qty){
	var cQty = parseInt(document.getElementById('qty_1').value);
	document.getElementById('qty_1').value = qty + cQty;
	document.frmMain.action = '/cart/cart.cfm?mode=update';
	document.frmMain.submit();
}


function updateCart(){
	document.frmMain.action = '/cart/cart.cfm?mode=update';
	document.frmMain.submit();
}



function process(){
	document.frmMain.action = '/cart/cart.cfm?mode=process';
	document.frmMain.submit();
}


function review(){
	document.frmMain.action = '/cart/cart.cfm?mode=review';
	document.frmMain.submit();
}



function changeState(c){
	if((c!="United States")&&(c!="Canada")){
		document.ThisForm.shipState.options[1].selected = true;
		disableField(document.ThisForm.shipState,true);
	} else {
		disableField(document.ThisForm.shipState,false);
		document.ThisForm.shipState.options[0].selected = true;
	}
}

function disableField(field,stat) {
	field.disabled = stat;
}		


function recipientChanged(chk){
	var f = document.frmMain;
	if (chk.checked){document.getElementById('divRecipient').style.display = 'none';}
	else{document.getElementById('divRecipient').style.display = 'block';}
}

function hideTabB(){
	for (var a=1; a<=5; a++){
		document.getElementById('tabB' + a).style.display = 'none';
	}
}

function showTabB(b){
	hideTabB();
	var c = document.getElementById('tabB' + b).style.display = 'none';
	if (c){
		document.getElementById('tabB' + b).style.display = 'block';
	}
	else{document.getElementById('tabB' + b).style.display = 'none';}
}


function openAjax() {

	var ajax;
	try{
		ajax = new XMLHttpRequest();
	}catch(ee){
		try{
			ajax = new ActiveXObject("Msxml2.XMLHTTP");
		}catch(e){
			try{
				ajax = new ActiveXObject("Microsoft.XMLHTTP");
			}catch(E){
				ajax = false;
			}
		}
	}
	return ajax;
}

function CpForm(FormName){
	comp = "document." + FormName;
	var frm = eval(comp);
	Cps = "";
	for (i=0; i<frm.length; i++){
		Cps = Cps + frm.elements[i].name + "=" + frm.elements[i].value + "&";
	}
	Cps = Cps.substring(0,Cps.length -1);
	return Cps;
}

function OpenAjaxPostCmd(pagina,camada,values,msg,divcarga,metodo,tpmsg) { 
	if(document.getElementById) {
		var ajax = openAjax();
		if(tpmsg=='1'){
			var exibeLoading = document.getElementById(divcarga);
		}
		var exibeResultado = document.getElementById(camada);
		if(metodo=='1'){
			ajax.open("POST", pagina, true);
			ajax.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
			ajax.setRequestHeader("Cache-Control", "no-store, no-cache, must-revalidate");
			ajax.setRequestHeader("Cache-Control", "post-check=0, pre-check=0");
			ajax.setRequestHeader("Pragma", "no-cache");
			valor = CpForm(values)
		}else{
			valor = null
			ajax.open("GET", pagina + values, true);
		}
		ajax.onreadystatechange = function() {
			if(ajax.readyState == 1) {
				if(tpmsg=='1'){
					exibeLoading.style.display = 'inline';
					exibeLoading.innerHTML = msg
				}else{
					exibeResultado.innerHTML = msg;
					clearForm('frmGift');
					getElementById('comments').value = '';
				}
			}
			if(ajax.readyState == 4) {
				if(tpmsg=='1'){
					exibeLoading.innerHTML = ""
					exibeLoading.style.display = 'none';
				}else{
					exibeResultado.innerHTML = ""
				}
				if(ajax.status == 200) {
					var resultado = null;
					resultado = ajax.responseText;
					resultado = resultado.replace(/\+/g," ");
					resultado = unescape(resultado);
					exibeResultado.innerHTML = resultado;
				} else {
					exibeResultado.innerHTML = "<br / ><br / ><center>An error occurred:</center><br / ><br / > <center>" + resultado + "</center>";
				}
			}
		}
		ajax.send(valor);
	}		 
}

function clearForm(formIdent) 
{ 
  var form, elements, i, elm; 
  form = document.getElementById 
    ? document.getElementById(formIdent) 
    : document.forms[formIdent]; 

	if (document.getElementsByTagName)
	{
		elements = form.getElementsByTagName('input');
		for( i=0, elm; elm=elements.item(i++); )
		{
			if (elm.getAttribute('type') == "text")
			{
				elm.value = '';
			}
		}
	}
	else
	{
		elements = form.elements;
		for( i=0, elm; elm=elements[i++]; )
		{
			if (elm.type == "text")
			{
				elm.value ='';
			}
		}
	}
}
	
function addEvent(elm, strEvent, fnHandler)
{
	return ( elm.addEventListener
	? elm.addEventListener( strEvent, fnHandler, false)
	: elm.attachEvent( 'on'+strEvent, fnHandler)
	);
}

function calculate(){
	var num = document.getElementById('NumberofPeople').value;
	document.getElementById('NumberOfAppetizersNeeded').value = num * 7;
}


