var isMac = (navigator.appVersion.indexOf("Mac")!=-1) ? true : false;


function exactImgWin(imgPath,w,h){
	// exactImgWin(imgPath,w,h,[resize/scroll],[image description])
	// default image description
	var imgDescrip = "";
	// image descriptions?
	if(arguments.length == 5 && arguments[4].length){
		imgDescrip = '<p align="center" class="imgDescrip">' + arguments[4] + '</p>';
	}
	// window width
	var winW = (!isMac) ? w : w - 15;
	// window height
	var winH = (!isMac) ? h : h - 15;
	// if image description is provided, add 40 to window's height
	if(imgDescrip.length){
		winH += 30;
	}
	// window left position
	var posL = (window.screen.availWidth - winW) / 2;
	// window top position
	var posT = (window.screen.availHeight - winH) / 2;
	// window content
	var winContent = '\n<html>\n<head>\n<title>Kaylemusic</title>\n<link rel="stylesheet" type="text/css" href="/etc/css/common.css">\n</head>\n<body bgcolor="#FFFFFF" leftmargin="0" topmargin="0" marginwidth="0" marginheight="0">\n<a href="javascript:window.close()"><img src="'+ imgPath +'" alt="Click To Close" border="0"></a>\n' + imgDescrip + '\n</body>\n</html>\n';
	// window params
	var winParams = 'width=' + winW + ',height=' + winH + ',top=' + posT + ',left=' + posL;
	// srollbars and resizable?
	if(arguments.length == 4 && arguments[3]){
		winParams += ',scrollbars=1,resizable=1';
	}
	// create an unique window name
	rn = new Date();
	winName = rn.getHours();
	winName = winName + '_' + rn.getMinutes();
	winName = winName + '_' + rn.getSeconds();
	// open window
	fotoWin = window.open('', winName, winParams);
	fotoWin.document.write(winContent)
	fotoWin.focus();
}


function popCenterWin(w,h,url){
	// popCenterWin(w,h,url,[window name],[extra parameter])
	// name of the new window
	var wName = "centreWindow";
	// width of the new window
	var wWidth = w;
	// height of the new window
	var wHeight = h;
	// window left position
	var posL = (window.screen.availWidth - wWidth) / 2;
	// window top position
	var posT = (window.screen.availHeight - wHeight) / 2;
	// see if new window name has specified
	if(arguments.length==4 && arguments[3].length){
		var wName = arguments[3];
	}
	// see if extra param has passed in
	if(arguments.length==5){
		var extra = ',' + arguments[4];
	}else{
		var extra = "";
	}
	
	var newWin = window.open(url,wName,'width=' + wWidth + ',height=' + wHeight + ',top=' + posT + ',left=' + posL + extra);
	newWin.focus();
}



function closeWindow(){
	this.window.close();
}

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_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_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];}
}
