function preload_images(folder,pics)
{
	pics=pics.split(";");
	for(i=0;i<pics.length;i++)
	{
		img=new Image();
		img.src=folder+pics[i];
	}
}
preload_images("/images/", "home2h.png;gallery2h.png;blog2h.png;contact2h.png");