var preloadFlag = false;
	
function IndexPreload() {
		if (document.images) {
			nav01_over = newImage("images/menu/menu_about_over.gif");
			nav02_over = newImage("images/menu/menu_services_over.gif");
			nav03_over = newImage("images/menu/menu_clients_over.gif");
			nav04_over = newImage("images/menu/menu_portfolio_over.gif");
			nav05_over = newImage("images/menu/menu_team_over.gif");
			nav06_over = newImage("images/menu/menu_news_over.gif");
			nav07_over = newImage("images/menu/menu_careers_over.gif");
			nav08_over = newImage("images/menu/menu_contact_over.gif");
			preloadFlag = true;
		}
}


function SubPreload() {
		if (document.images) {
			nav01_over = newImage("../images/menu/menu_about_over.gif");
			nav02_over = newImage("../images/menu/menu_services_over.gif");
			nav03_over = newImage("../images/menu/menu_clients_over.gif");
			nav04_over = newImage("../images/menu/menu_portfolio_over.gif");
			nav05_over = newImage("../images/menu/menu_team_over.gif");
			nav06_over = newImage("../images/menu/menu_news_over.gif");
			nav07_over = newImage("../images/menu/menu_careers_over.gif");
			nav08_over = newImage("../images/menu/menu_contact_over.gif");
			preloadFlag = true;
		}
}






function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}


function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}






if (window.focus){ window.focus(); }



/*  STYLESHEET SWITCHER   */


function switchstyles(titlea,titleb) {
	var a = getActiveStyleSheet();
	if(a == titlea) {
		setActiveStyleSheet(titleb);
/* 		document.fontstate.src='../images/fontdown.gif'; */
		 }
	else { setActiveStyleSheet(titlea);
/* 		document.fontstate.src='../images/fontup.gif'; */
	}
}


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;
    }
  }
}

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 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;
}

/*  End of style sheet switch  */