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];}
}
asrc='',oldobj='';
function chgBg(obj,mode){
	if(oldobj&&oldobj!=asrc) {oldobj.bgColor='';}
	if(obj!=asrc) {if(obj!=oldobj||mode) obj.bgColor='ffffff';}
	oldobj=obj;
}

function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}


function resetImageIcons() {
	iconSmallImg = document.getElementById("icon_resize_small");
	if (iconSmallImg) { iconSmallImg.setAttribute("src","/img/style/icon_resize_small_on.gif") }
	
	iconMediumImg = document.getElementById("icon_resize_medium");
	if (iconMediumImg) { iconMediumImg.setAttribute("src","/img/style/icon_resize_medium_on.gif") }
	
	iconLargeImg = document.getElementById("icon_resize_large");
	if (iconLargeImg) { iconLargeImg.setAttribute("src","/img/style/icon_resize_large_on.gif") }
}

function setActiveIcon(title) {
	if (title == "Medium Text") {
		iconMediumImg = document.getElementById("icon_resize_medium");
		if (iconMediumImg) { iconMediumImg.setAttribute("src","/img/style/icon_resize_medium.gif") }
	} else if (title == "Large Text") {
		iconLargeImg = document.getElementById("icon_resize_large");
		if (iconLargeImg) { iconLargeImg.setAttribute("src","/img/style/icon_resize_large.gif") }
	} else {
		iconSmallImg = document.getElementById("icon_resize_small");
		if (iconSmallImg) { iconSmallImg.setAttribute("src","/img/style/icon_resize_small.gif") }
	}
}

function resetActiveStyleSheet() {
	var i, a, main;
	for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
		if (a.getAttribute("rel").indexOf("style") != -1
		&& a.getAttribute("rel").indexOf("alt") != -1) {
			a.disabled = true;
		}
	}
	resetImageIcons();
	setActiveIcon("Normal Text");
}

function setActiveStyleSheet(title) {
	var i, a, main;
	for(i=0; (a = document.getElementsByTagName("link")[i]); i++) {
		if (a.getAttribute("rel").indexOf("style") != -1
		&& a.getAttribute("title")) {
			a.disabled = true;
			if (a.getAttribute("title") == title) a.disabled = false;
		}
	}
	resetImageIcons();
	setActiveIcon(title);
}

function getActiveStyleSheet() {
	var i, a;
	for (i=0; (a = document.getElementsByTagName("link")[i]); i++) {
		if (a.getAttribute("rel").indexOf("style") != -1
		&& a.getAttribute("title")
		&& !a.disabled) return a.getAttribute("title");
	}
	return null;
}

function createCookie(name,value) {

	document.cookie = name+"="+value+"; 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 getPreferredStyleSheet() {
	var i, a;
	for (i=0; (a = document.getElementsByTagName("link")[i]); i++) {
		if(a.getAttribute("rel").indexOf("style") != -1
		&& a.getAttribute("rel").indexOf("alt") == -1
		&& a.getAttribute("title"))
		return a.getAttribute("title");
	}
	return null;
}

function initActiveStyleSheet() {
	var cookie = readCookie("VHSstyle");
	var title = cookie ? cookie : getPreferredStyleSheet();
	setActiveStyleSheet(title);
}

window.onunload = function(e) {
	var title = getActiveStyleSheet();
	createCookie("VHSstyle", title);
}