// brendandawes.com code library
// hacked from various sources including k10k, newstoday and others

// CHECK CLIENT BROWSER & PLATFORM
// original code from http://developer.apple.com/internet/_javascript/
//
// USAGE:	browserNaming();
// NOTES:	call it from within an external JS document
// RESULT:	browserNew = true/false
//			browserName = IE/NS/Opera
//			browserNameLong = IE5/etc
//			Macintosh = true/false
// WORKS:	everything

	var its;
	var browserName;
	var browserNameLong;
	var browserNew;
	var preloadFlag = false;
	var Macintosh = navigator.userAgent.indexOf('Mac')>0;

	function its() {
		var n = navigator;
		var ua = ' ' + n.userAgent.toLowerCase();
		var pl = n.platform.toLowerCase();
		var an = n.appName.toLowerCase();

		// browser version
		this.version = n.appVersion;
		this.nn = ua.indexOf('mozilla') > 0;

		// 'compatible' versions of mozilla aren't navigator
		if(ua.indexOf('compatible') > 0) {
			this.nn = false;
		}
		
		this.opera = ua.indexOf('opera') > 0;
		this.ie = ua.indexOf('msie') > 0;
		this.major = parseInt( this.version );
		this.minor = parseFloat( this.version );

		// platform
		this.mac = ua.indexOf('mac') > 0;
		this.win = ua.indexOf('win') > 0;

		// workaround for IE5 which reports itself as version 4.0
		if(this.ie) {
			if(ua.indexOf("msie 5") > 1) {
			var msieIndex = navigator.appVersion.indexOf("MSIE") + 5;
			this.major = parseFloat(navigator.appVersion.substr(msieIndex,3));
			}
		}

		return this;
	}

	function browserNaming() {
		its = new its();
		
		// is it a DOM-enabled browser?
		if (!document.getElementById) {
			browserNew = false;
		}
		else {
			browserNew = true;
		}

		// need the name, too
		if (its.opera) {
			browserName = "Opera";
		}
		else if (its.ie) {
			browserName = "IE";
		}
		else {
			browserName = "NS";
		}

		// and the number
		browserNameLong = browserName + its.major;
	
	}
	
// POPUP CENTERED WINDOW (FIXES THE IE4/MAC PROBLEM WHICH MAKES WINDOWS TOO SMALL)
// USAGE:	<a href="#" onclick="spawnWindow('newpage.html','windowname',400,384,'no');">
// NOTES:	substitute 400 with the width, 384 with the height, windowname with the name of the new window, scroll with either 'yes', 'no' or 'auto'
// WORKS:	ie4+, ns4+, opera5

	function spawnWindow(desktopURL,windowName,width,height,scroll) {
 		if (Macintosh) {
 			if (browserNameLong == "IE4") {
				newheight = parseInt(height + 17);
			}
			else if (browserNameLong == "IE4.5") {
				newheight = parseInt(height + 17);
			}
			else {
				newheight = height;
			}
 		}
 		else { newheight = height; }	
 		// WORK OUT CENTER
 		var winl = (screen.width - width) / 2;
		var wint = (screen.height - newheight) / 2;
 		window.open(desktopURL, windowName, "top="+wint+",left="+winl+",toolbar=no,location=no,status=yes,menubar=no,scrollbars="+scroll+",width="+width+",height="+newheight+",resizable=no" );
	}
	
// LAUNCH WINDOW TO VIEW HEADSHOP PROJECTS
// APENDS THE PHP URL TO THE FRONT OF THE PASSED URL
// THEN CALLS THE SPAWNWINDOW FUNCTION ABOVE

	function viewHeadshop (desktopURL,windowName,width,height,scroll,localTest) {
	if (localTest == "yes") {
		newURL = "downloads/"+desktopURL;
		spawnWindow(newURL,windowName,width,height,scroll);
		} else {
		newURL = "/php/headshopview.php?url=/headshop/downloads/" + desktopURL+"&width="+width+"&height="+height;
		spawnWindow(newURL,windowName,width,height,scroll);
		}
	}
	
		function viewPopup (desktopURL,windowName,width,height,scroll,localTest) {
	if (localTest == "yes") {
		newURL = "downloads/"+desktopURL;
		spawnWindow(newURL,windowName,width,height,scroll);
		} else {
		newURL = "/php/headshopview.php?url=" + desktopURL+"&width="+width+"&height="+height;
		spawnWindow(newURL,windowName,width,height,scroll);
		}
	}
	
	
// MACROMEDIA SCRIPTS
	
function MM_findObj(n, d) { //v3.0
  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); return x;
}
/* Functions that swaps images. */
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_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;
}

/* Functions that handle preload. */
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_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}