var browserVersion = parseInt(navigator.appVersion);
var path = window.location.pathname;
var preloadFlag = false;

function preloadImages()
{
	if (document.images)
	{
		nav_01_over = new Image();
    nav_01_over.src = "../_files/img/menu/nav_01_over.gif";
		nav_01_off = new Image();
    nav_01_off.src = "../_files/img/menu/nav_01.gif";
		
		nav_02_over = new Image();
    nav_02_over.src = "../_files/img/menu/nav_02_over.gif";
		nav_02_off = new Image();
    nav_02_off.src = "../_files/img/menu/nav_02.gif";
		
		nav_03_over = new Image();
    nav_03_over.src = "../_files/img/menu/nav_03_over.gif";
		nav_03_off = new Image();
    nav_03_off.src = "../_files/img/menu/nav_03.gif";
		
		nav_04_over = new Image();
    nav_04_over.src = "../_files/img/menu/nav_04_over.gif";
		nav_04_off = new Image();
    nav_04_off.src = "../_files/img/menu/nav_04.gif";
		
		nav_05_over = new Image();
    nav_05_over.src = "../_files/img/menu/nav_05_over.gif";
		nav_05_off = new Image();
    nav_05_off.src = "../_files/img/menu/nav_05.gif";
		
		nav_06_over = new Image();
    nav_06_over.src = "../_files/img/menu/nav_06_over.gif";
		nav_06_off = new Image();
    nav_06_off.src = "../_files/img/menu/nav_06.gif";
		
		nav_10_over = new Image();
    nav_10_over.src = "../_files/img/menu/nav_10_over.gif";
		nav_10_off = new Image();
    nav_10_off.src = "../_files/img/menu/nav_10.gif";
		
		nav_11_over = new Image();
    nav_11_over.src = "../_files/img/menu/nav_11_over.gif";
		nav_11_off = new Image();
    nav_11_off.src = "../_files/img/menu/nav_11.gif";
		
		nav_12_over = new Image();
    nav_12_over.src = "../_files/img/menu/nav_12_over.gif";
		nav_12_off = new Image();
    nav_12_off.src = "../_files/img/menu/nav_12.gif";
		
		nav_13_over = new Image();
    nav_13_over.src = "../_files/img/menu/nav_13_over.gif";
		nav_13_off = new Image();
    nav_13_off.src = "../_files/img/menu/nav_13.gif";
		
		nav_14_over = new Image();
    nav_14_over.src = "../_files/img/menu/nav_14_over.gif";
		nav_14_off = new Image();
    nav_14_off.src = "../_files/img/menu/nav_14.gif";
		
		nav_20_over = new Image();
    nav_20_over.src = "../_files/img/menu/nav_20_over.gif";
		nav_20_off = new Image();
    nav_20_off.src = "../_files/img/menu/nav_20.gif";
		
		nav_21_over = new Image();
    nav_21_over.src = "../_files/img/menu/nav_21_over.gif";
		nav_21_off = new Image();
    nav_21_off.src = "../_files/img/menu/nav_21.gif";
		
		preloadFlag = true;
		
		initNews();
	}
}

function NavImgOn(imgName)
{
	if (document.images && (preloadFlag == true))
	{
  	document[imgName].src = eval(imgName + "_over.src");
  }
}

function NavImgOff(imgName)
{
	if (document.images && (preloadFlag == true))
	{
  	document[imgName].src = eval(imgName + "_off.src");
  }
}