function popupImage(iID, title, W, H, features){
	var X = Math.ceil((window.screen.availWidth - W) / 2);
	var Y = Math.ceil((window.screen.availHeight - H) / 2);
	features = "width=" + W + ", height=" + H + ", left=" + X + ", top=" + Y + ", " + features;
	var url = 'popup_image.php?i=' + iID + '';
	window.open(url, title, features);
}
function openWin1(url) {
	window.open(url, 'url', "toolbar=0,location=0,directories=0,status=0,menubar=no,scrollbars=no,resizable=no,width=500,height=500");
}

function openCategory(idMC, p, idC){
	document.location.href = base_href + 'shopcart/' + idMC + '/' + p + '/' + idC;
}

function openProduct(idI){
	document.location.href = base_href + 'shopcart-products/' + idI;
}

function ChangeImage(i){
	var imageDefault = document.getElementById('default_img');
	var imageDefaultLarge = document.getElementById('default_img_large');
	if( imageDefault ){
		imageDefault.src = images[i];
		/*
		if( imageDefaultLarge ){
			imageDefault.href = images_large[i];
		}
		*/
	}
}

function showFriendForm(){
	var div_container = document.getElementById('send_to_friend');
	if( div_container ){
		div_container.style.display = 'block';
	}
}

function closeFriendForm(){
	var div_container = document.getElementById('send_to_friend');
	if( div_container ){
		div_container.style.display = 'none';
		var error_container = document.getElementById('error');
		if( error_container ){
			error_container.innerHTML = '';
		}
		var oForm = document.forms['sf'];
		for (i = 0; i < oForm.elements.length; ++i){
			if (oForm.elements[i].type == "text" || oForm.elements[i].type == "textarea"){
				oForm.elements[i].value = '';
			}
		}
	}
}

function MM_findObj(n, d) { //v4.01
  var p,i,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[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}
function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}
function MM_preloadImages() { //v3.0
 var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
   var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
   if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function GetXmlHttpObject(){
	var xmlHttp = null;
	try{// Firefox, Opera 8.0+, Safari
		xmlHttp=new XMLHttpRequest();
	}catch (e){// Internet Explorer 6+
		try{
			xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
      	}catch (e){
			try{// Internet Explorer 5+
				xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
			}catch (e){
				alert("Your browser does not support AJAX!");
				return false;
			}
		}
	}
	return xmlHttp;
}

function sendDatas(){
	var products_no = document.getElementById('products_no');
	var products_price_value = document.getElementById('products_price_value');
	
	var oForm = document.forms['sendToCart'];
	var itemid = oForm.itemid.value;
	var price = oForm.price.value;
	
	var errorMessage = '';
	var quantity = document.getElementById('quantity');
	var quantity_value = '';
	var colors = document.getElementById('colors');
	var color_id = '';
	var sizes = document.getElementById('sizes');
	var size_id = '';
	var options = document.getElementById('options');
	var options_id = '';
	
	if( quantity ){ quantity_value = quantity.value; }
	if( colors ){ color_id = colors.value; }
	if( sizes ){ size_id = sizes.value; }
	if( options ){ options_id = options.value; }
	
	var sURL = base_href + 'addToCart.php';
	var sPostVars = 'itemid=' + itemid + '&price=' + price + '&quantity=' + quantity_value + '&color_id=' + color_id + '&size_id=' + size_id + '&options_id=' + options_id + '';
	sPostVars += '&getDatas=' + Math.random();
	
	xmlHttp = GetXmlHttpObject();
	if(xmlHttp == null){
		alert ("Please update your browser!");
		return;
	}
	xmlHttp.open("POST", sURL, true);
	xmlHttp.setRequestHeader("Content-Type","application/x-www-form-urlencoded; charset=iso-8859-1");
	xmlHttp.setRequestHeader("Content-length", sPostVars.length);
	xmlHttp.setRequestHeader("Connection", "close");
	xmlHttp.setRequestHeader("Accept-Charset", "ISO-8859-1");
	xmlHttp.send(sPostVars);
	xmlHttp.onreadystatechange = function(){
		if(xmlHttp.readyState == 4){
			var result_answer = xmlHttp.responseText;
			var answers = result_answer.split('#');
			
			if( products_no ){
				products_no.innerHTML = answers[0];
			}
			if( products_price_value ){
				products_price_value.innerHTML = answers[1];
			}
			alert('Varan er komin í körfuna.');
		}
	}
}