var imgs = new Array( "images/bg.gif", "images/bg_1.jpg", "images/bg_2.jpg", "images/bg_content.gif", "images/bg_footer.gif", "images/bg_navigation.gif", "images/bg_navigationhover.gif", "images/bgs_1_1.gif", "images/bgs_1_1.jpg","images/bgs_1_2.jpg", "images/bgs_1_3.jpg", "images/bgs_2_1.gif", "images/bgs_2_1.jpg", "images/bgs_2_2.jpg", "images/bgs_2_3.jpg", "images/bgs_3_1.gif", "images/bgs_3_1.jpg", "images/bgs_3_2.jpg", "images/bgs_3_2_1.jpg", "images/bgs_3_3.jpg", "images/bgs_4_1.gif", "images/bgs_4_1.jpg", "images/bgs_4_2.jpg", "images/bgs_4_3.jpg", "images/bgs_5_1.gif", "images/bgs_5_1.jpg", "images/bgs_5_2.jpg", "images/bgs_5_3.jpg", "images/bgs_6_1.gif", "images/bgs_6_1.jpg", "images/bgs_6_2.jpg", "images/bgs_6_3.jpg", "images/bgs_7_1.gif", "images/bgs_7_1.jpg", "images/bgs_7_2.jpg", "images/bgs_7_3.jpg", "images/bgs_8_1.gif", "images/bgs_8_1.jpg", "images/bgs_8_2.jpg", "images/bgs_8_3.jpg", "images/bgs_9_1.gif", "images/bgs_9_1.jpg", "images/bgs_9_2.jpg", "images/cont.jpg");

for( var i = 0 ; i < imgs.length ; i++ )
{
var tmp = imgs[i];
(imgs[i] = new Image()).src = tmp;
}