// put images to preload in this array
var preload_list = new Array("birmingham1.jpg", "birmingham1.jpg", "jamaican_embassy1.jpg", "birmingham2.jpg", "jamaican_embassy2.jpg", "birmingham3.jpg", "jamaican_embassy3.jpg");
var path_to_images = "../pics/";

// preload (change path to images if necessary)
if (document.images) {
	var image_list = new Array();
	for (var preload_counter=0; preload_counter<preload_list.length; preload_counter++) { 	image_list[preload_counter] = new Image(); 
		image_list[preload_counter].src = 'pics/' + preload_list[preload_counter];	 }
}

var swapTimer;
// delay before restoring original image onmouseout
var restore_delay = 800; // milliseconds
function swapImage(num) {
	if (swapTimer) clearTimeout(swapTimer);
	if (document.images) {
		document.swap.src = image_list[num].src;
	}
}
function restoreImg() {
	swapTimer = setTimeout("swapImage("+0+")",restore_delay);
}

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 MM_validateForm() { //v4.0
  var i,p,q,nm,test,num,min,max,errors='',args=MM_validateForm.arguments;
  for (i=0; i<(args.length-2); i+=3) { test=args[i+2]; val=MM_findObj(args[i]);
    if (val) { nm=val.name; if ((val=val.value)!="") {
      if (test.indexOf('isEmail')!=-1) { p=val.indexOf('@');
        if (p<1 || p==(val.length-1)) errors+='- '+nm+' must contain an e-mail address.\n';
      } else if (test!='R') { num = parseFloat(val);
        if (isNaN(val)) errors+='- '+nm+' must contain a number.\n';
        if (test.indexOf('inRange') != -1) { p=test.indexOf(':');
          min=test.substring(8,p); max=test.substring(p+1);
          if (num<min || max<num) errors+='- '+nm+' must contain a number between '+min+' and '+max+'.\n';
    } } } else if (test.charAt(0) == 'R') errors += '- '+nm+' is required.\n'; }
  } if (errors) alert('The following error(s) occurred:\n'+errors);
  document.MM_returnValue = (errors == '');
}

function RefreshTab(tabId)
		{
			/* document.getElementById("panel_" + tabId).innerHTML = "Hello, World.<br/>" + document.getElementById("panel_" + tabId).getAttribute("panelURL"); */
			
			var http = getHTTPObject();
			var panel = document.getElementById('panel_' + tabId);
			var page = panel.getAttribute('panelURL');
			var url = page;
			var now = new Date();
			var openFuncExists = false;
			var timeoutId;
			
			// hack to get IE to refresh all the time by making each url unique by adding a timestamp onto it. (ie tries to cache everything)
			if (url.indexOf("?") > -1) // this url has get params somewhere
			{
				if (url.substr(url.length-1) == "&") // has a & at the end, no need to append another
				{
					url = url + "t=" + now.getTime();
				}
				else // no & on the end, append it
				{
					url = url + "&t=" + now.getTime();
				}
			}
			else // no params on this url. append a ?
			{
				url = url + "?t=" + now.getTime();
			}
			// end IE hack				

			http.open("GET", url, true);
			http.onreadystatechange = function() {
				if (http.readyState == 4) {
					if (http.status == 200)
					{
						window.clearTimeout(timeoutId);
						var htmlDoc = http.responseText;
						
						document.getElementById('panel_' + tabId).innerHTML = htmlDoc;
						
						if (document.getElementById('script_' + tabId))
						{
							/* Setup the event functions for this tab */
							var script = document.getElementById('script_' + tabId).innerHTML;
							eval(script);
							eval("if (window.tabOpen"+tabId+") { tabOpen"+tabId+"(); }");
						}
					}
				}
			}
			document.getElementById('panel_' + tabId).innerHTML = "<div class='loadingBox'><b>Please wait. Loading...</b> <img src='./i/indicator.gif' /></div>";
			
			http.setRequestHeader("Content-Type","application/x-www-form-urlencoded; charset=UTF-8");
			http.send(null);
			
			timeoutId = window.setTimeout(
				function() {
					switch (http.readyState) {
						case 1:
						case 2:
						case 3:
							http.abort();
							document.getElementById('panel_' + tabId).innerHTML = "<h2>Error Loading Data</h2><a href=\"javascript:void(0)\" onclick=\"AjaxTabs.RefreshTab('" + tabId + "');\">Retry</a>";
							alert("Oops. There was an error retreiving data from the server. Please try again in a few moments.");
							break;
						default:
							break;
					}
				},
				20000 // twenty seconds
			);

   	 }
function showAmount(qty){
	document.frm.itemcost.value = Math.round((12.99 * qty)*100)/100;
	document.frm.shipment.value = Math.round((2.50 * qty)*100)/100 ;
	document.frm.amount.value = Math.round(((15.49 * qty) + (qty - 1))*100)/100;
}