var activeStyle = 'base';

function init() {
  checkBrowserWidth();

  if (document.images) {

      nav01 = new Image(); nav01.src = '/images/but/titlenewsrus.jpg';
      nav02 = new Image(); nav02.src = '/images/but/titlenews.jpg';
      nav03 = new Image(); nav03.src = '/images/but/titlemembersrus.jpg';
      nav04 = new Image(); nav04.src = '/images/but/titlemembers.jpg';
      nav05 = new Image(); nav05.src = '/images/but/titlemediarus.jpg';
      nav06 = new Image(); nav06.src = '/images/but/titlemedia.jpg';
      nav07 = new Image(); nav07.src = '/images/but/titlecontactusrus.jpg';
      nav08 = new Image(); nav08.src = '/images/but/titlecontactus.jpg';
      nav09 = new Image(); nav09.src = '/images/but/titlecommunityrus.jpg';
      nav10 = new Image(); nav10.src = '/images/but/titlecommunity.jpg';
      nav11 = new Image(); nav11.src = '/images/but/titleaboutbandrus.jpg';
      nav12 = new Image(); nav12.src = '/images/but/titleaboutband.jpg';

      nav13 = new Image(); nav13.src = '/images/but/aaboutband.gif';
      nav14 = new Image(); nav14.src = '/images/but/aaboutbandrus.gif';
      nav15 = new Image(); nav15.src = '/images/but/acommunity.gif';
      nav16 = new Image(); nav16.src = '/images/but/acommunityrus.gif';
      nav17 = new Image(); nav17.src = '/images/but/acontactus.gif';
      nav18 = new Image(); nav18.src = '/images/but/acontactusrus.gif';
      nav19 = new Image(); nav19.src = '/images/but/amedia.gif';
      nav20 = new Image(); nav20.src = '/images/but/amediarus.gif';
      nav21 = new Image(); nav21.src = '/images/but/amembers.gif';
      nav22 = new Image(); nav22.src = '/images/but/amembersrus.gif';
      nav23 = new Image(); nav23.src = '/images/but/anews.gif';
      nav24 = new Image(); nav24.src = '/images/but/anewsrus.gif';

      nav25 = new Image(); nav25.src = '/images/but/naboutband.gif';
      nav26 = new Image(); nav26.src = '/images/but/naboutbandrus.gif';
      nav27 = new Image(); nav27.src = '/images/but/ncommunity.gif';
      nav28 = new Image(); nav28.src = '/images/but/ncommunityrus.gif';
      nav29 = new Image(); nav29.src = '/images/but/ncontactus.gif';
      nav30 = new Image(); nav30.src = '/images/but/ncontactusrus.gif';
      nav31 = new Image(); nav31.src = '/images/but/nmedia.gif';
      nav32 = new Image(); nav32.src = '/images/but/nmediarus.gif';
      nav33 = new Image(); nav33.src = '/images/but/nmembers.gif';
      nav34 = new Image(); nav34.src = '/images/but/nmembersrus.gif';
      nav35 = new Image(); nav35.src = '/images/but/nnews.gif';
      nav36 = new Image(); nav36.src = '/images/but/nnewsrus.gif';

  }
}


function checkBrowserWidth() {
  docheck = true;
  var agt = navigator.userAgent.toLowerCase();
 	ismac = (agt.indexOf("mac")>-1);
  if (ismac) {
  	if (navigator.appName == "Microsoft Internet Explorer") docheck = false;
  }

  if (docheck) {
  	var theWidth = getBrowserWidth();
  	if (theWidth > 920)	{
      if (activeStyle != 'base') {
    		setStylesheet("base");
        activeStyle = 'base';
      }
  	}	else {
      if (activeStyle != 'alternative') {
    		setStylesheet("alternative");
        activeStyle = 'alternative';
      }
  	}
  }

	return true;
}

function getBrowserWidth() {
	if (window.innerWidth) {
		return window.innerWidth;
	}
	else if (document.documentElement && document.documentElement.clientWidth != 0) {
		return document.documentElement.clientWidth;
	}
	else if (document.body) {
		return document.body.clientWidth;
	}

	return 0;
}
function setStylesheet(styleTitle) {
	var currTag;

	if (document.getElementsByTagName) {
		for (var i = 0; (currTag = document.getElementsByTagName("link")[i]); i++) {
			if (currTag.getAttribute("rel").indexOf("style") != -1 && currTag.getAttribute("title")) {
				currTag.disabled = true;

				if(currTag.getAttribute("title") == styleTitle) {
          defaultStatus = 'Style: ' + styleTitle;
					currTag.disabled = false;
				}
			}
		}
	}

	return true;
}

onload = init;
onresize = checkBrowserWidth;