/* spf specific javascript 
created 16/02/03 */

var zTop = 10;
var intervalID = null;

function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);

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_showHideLayers() 
{ //v6.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { 
	obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    	obj.visibility=v; }

}


// housekeeping functions
function openHousekeeping(href)
{
	document.getElementById("housekeepingFrame").src = href;
	document.getElementById("housekeepingContainer").style.zIndex = zTop++;
	document.getElementById("housekeepingContainer").style.display = "";
}

function closeHousekeeping()
{
	document.getElementById("housekeepingContainer").style.display = "none";
	document.getElementById("housekeepingFrame").src = "";
}

function selectOffice(idx, n)
{
	for (var i=1; i<n+1; i++)
	{
		document.getElementById("officeImg" + i).src = idx==i ? staticRoot + "img/news/leftarrow_on.gif" : staticRoot + "img/news/leftarrow_off.gif";
		document.getElementById("officeLink" + i).style.color = idx==i ? "red" : "black";
		document.getElementById("office" + i).style.visibility = idx==i ? "visible" : "hidden";
	}
}

function getBanner(banners)
{
	var src = banners[Math.floor(Math.random()*banners.length)];
	return '<img src="'+src+'" border="0" width="630" height="86"/>';
}

vt = {};
vt["EMAIL_ADDRESS"] = /^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/;
vt["FREE_TEXT"] = vt[null] = /\S/;

function validateForm(form)
{
	for (var i=0; i<(els=form.elements).length; i++)
	{
		if (els[i].getAttribute("validation-type") != null)
		{
			var re = vt[els[i].getAttribute("validation-type")];
			if (!re.test(els[i].value))
			{
				alert(els[i].getAttribute("invalid-msg"));
				els[i].focus();
				return false;
	}	}	}
	return true;
}

//image preloaders
guernsey_off = new Image();
guernsey_off.src = staticRoot + 'img/common/guernsey_home_off.gif';
guernsey_on = new Image();
guernsey_on.src = staticRoot + 'img/common/guernsey_home_on.gif';
mortgages_off = new Image();
mortgages_off.src = staticRoot + 'img/common/mortgages_off.gif';
mortgages_on = new Image();
mortgages_on.src = staticRoot + 'img/common/mortgages_on.gif';
financialplanning_off = new Image();
financialplanning_off.src = staticRoot + 'img/common/financial_planning_off.gif';
financialplanning_on = new Image();
financialplanning_on.src = staticRoot + 'img/common/financial_planning_on.gif';
jersey_off = new Image();
jersey_off.src = staticRoot + 'img/common/spf_jersey_off.gif';
jersey_on = new Image();
jersey_on.src = staticRoot + 'img/common/spf_jersey_on.gif';




function roll(imgName,state)
{
	imgObj = document.getElementById(imgName)
	newImg = eval(imgName + "_" + state + ".src");
	imgObj.setAttribute('src',newImg)
}