var pix = new Array();
var offset = new Array();
var cnt = new Array();
var ps = new Array();

function preloadImages() {
	var d = document;
	var a = preloadImages.arguments;
	var section = a[0];
	var off = pix.length;
	offset[section-1] = off
	// var pp = new Array();
	var i,j=0;
	for(i=1; i<a.length; i++) {
		pix[off+j] = new Image;
		pix[off+j++].src = a[i]
	}
	cnt[section-1] = a.length-1
}


function rndPix(num) {
	var dd = document;
	//eval("var ar=pix"+num)
	var index = Math.floor(Math.random()*cnt[num-1])
	var im = dd.getElementById('im'+num)
	im.src = pix[offset[num-1]+index].src
	var delay = Math.floor(Math.random()*2000)+1500
	eval("d"+num+"=setTimeout('rndPix("+num+")',"+delay+")")
}