function cacheImgs()
{
	cached = new Array();
	for (var i=1;i<arguments.length;i++)
	{
		cached[i]=new Image();
		cached[i].src = arguments[0] + arguments[i];
	}
}
function imgSwap(nom,pik)
{
	var end_path=document[nom].src.lastIndexOf('/') + 1;
	var image_path=document[nom].src.substring(0,end_path);
	document[nom].src = image_path + pik;
}