//BUILT-IN MM functionality for preloading images
//Used to swap images back to their original state
//after mouse rollover

var names = new Array();
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_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

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 openWebRadio() {
    var win = window.open('http://webcast.playnetwork.com/PNCORP/index.html', 'PNPlayer', 'height=350, width=480, border=0, scrollbars=0, resizable=0, status=0, titlebar=0');
    //works in IE, FF
    if (!win) {
        if (readCookie('webRadioAlert') != 'true') {
            alert('You are missing out on experiencing PlayNetwork Web Radio. Please enable popups for www.playnetwork.com to enjoy the full experience.');
            createCookie('webRadioAlert', 'true', 365);
        }
    }
    else {
        eraseCookie('webRadioAlert');
        createCookie('webRadioOpenedOnce', 'true');
    }
}
names['launchwebradio'] = 'launchwebradio';
launchwebradioon = new Image();
launchwebradioon.src = 'Images/btn_launchWebRadio_rol.png';
launchwebradiooff = new Image();
launchwebradiooff.src = 'Images/btn_launchWebRadio.png';
names['launchwebradio2'] = 'launchwebradio2';
launchwebradio2on = new Image();
launchwebradio2on.src = '../Images/btn_launchWebRadio_rol.png';
launchwebradio2off = new Image();
launchwebradio2off.src = '../Images/btn_launchWebRadio.png';
// end header

function imgOn(imgName) {
    if (document.images) {
        img = document.getElementById(imgName);
        var src;
        if (img.parentNode.className == "CurrentPage") {
            src = eval("active_" + names[imgName] + "on.src");   
        } else {
            src = eval(names[imgName] + "on.src");
        }
        if (img.src.indexOf("Images/pngfix.gif") != -1) {
            img.style.filter="progid:DXImageTransform.Microsoft.AlphaImageLoader(src='"+src+"',sizingMethod='crop')";
        } else {
            img.src = src;
        }
    }
}
function imgOff(imgName) {
    if (document.images) {
        img = document.getElementById(imgName);
        var src;
        if (img.parentNode.className == "CurrentPage") {
            src = eval("active_" + names[imgName] + "off.src");   
        } else {
            src = eval(names[imgName] + "off.src");
        }
        if (img.src.indexOf("Images/pngfix.gif") != -1) {
            img.style.filter="progid:DXImageTransform.Microsoft.AlphaImageLoader(src='"+src+"',sizingMethod='crop')";
        } else {
            img.src = src;
        }
    }
}
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);
}