var preloadFlag = false;

function preloadImages() {
if (document.images) {

nav1		= new Image();
nav1.src	= "img/static/main_nav/nav_01.gif";
nav2		= new Image();
nav2.src	= "img/static/main_nav/nav_02.gif";
nav3		= new Image();
nav3.src	= "img/static/main_nav/nav_03.gif";
nav4		= new Image();
nav4.src	= "img/static/main_nav/nav_04.gif";
nav5		= new Image();
nav5.src	= "img/static/main_nav/nav_05.gif";
nav8		= new Image();
nav8.src = "img/static/main_nav/nav_08.gif";
nav9		= new Image();
nav9.src = "img/static/main_nav/nav_09.gif";


nav1_o		= new Image();
nav1_o.src	= "img/static/main_nav/nav_01_o.gif";
nav2_o		= new Image();
nav2_o.src	= "img/static/main_nav/nav_02_o.gif";
nav3_o		= new Image();
nav3_o.src	= "img/static/main_nav/nav_03_o.gif";
nav4_o		= new Image();
nav4_o.src	= "img/static/main_nav/nav_04_o.gif";
nav5_o		= new Image();
nav5_o.src	= "img/static/main_nav/nav_05_o.gif";
nav8_o		= new Image();
nav8_o.src	= "img/static/main_nav/nav_08_o.gif";
nav9_o		= new Image();
nav9_o.src	= "img/static/main_nav/nav_09_o.gif";


preloadFlag = true;
}
}

preloadImages();

function swapImage(bild,neu)
        
        {
document.images[bild].src=eval( neu+".src");
	}