var preload = new Array();
var images = new Array();
var preload_bout = "";
var IE6 = false /*@cc_on || @_jscript_version < 5.7 @*/;
if ( IE6 ) 
{
try 
{
document.execCommand("BackgroundImageCache", false, true);
} 
catch(err) 
{}
//if IE6 and below
preload[0] = "/img/global/backgrounds/prim_nav_party_bg.gif";
preload[1] = "/img/global/backgrounds/prim_nav_dating_bg.gif";
preload[2] = "/img/global/backgrounds/prim_nav_mysite_bg.gif";
preload[3] = "/img/global/backgrounds/prim_nav_inactive_bg.gif";
} 
else 
{
//if not IE6 or lower
preload[0] = "/img/global/backgrounds/prim_nav_party_bg.png";
preload[1] = "/img/global/backgrounds/prim_nav_dating_bg.png";
preload[2] = "/img/global/backgrounds/prim_nav_mysite_bg.png";
preload[3] = "/img/global/backgrounds/prim_nav_inactive_bg.png";
}
for ( var i = 0; i < preload.length; i++ )
{
images[i] = new Image();
images[i].src = preload[i];
//Ausgabevariable
preload_bout += '<img src="'+images[i]+'" width="1" height="1" style="position:absolute; top:-1000px;" />';
}