function preImages(){
	var a=['sh_bottom','sh_bottom2','sh_left','sh_right','sh_right2','sh_top','sh-c-b-l','sh-c-b-l2','sh-c-b-r','sh-c-b-r2','sh-c-t-l','sh-c-t-r','sh-c-t-r2'];
	for(var i=0;i<a.length;i++) (new Image()).src='/images/'+a[i]+'.gif';
}
preImages();