//<script>
images=new Array('services', 'portfolio', 'responses', 'price', 'articles', 'contacts');
function preload() {
hiddenImages=new Array();
	for (var i=0;i<images.length;i++) {
	hiddenImg=new Image();
	hiddenImg.src='/images/'+images[i]+'_over.gif';
	hiddenImages[i]=hiddenImg;
	}
}

function roll(img,type,num) {
	if(type=='over') img.src=hiddenImages[num].src;
	else img.src='/images/'+images[num]+'_out.gif';
//img.src=hiddenImg.src;
}
//</script>