var backgroundSrcs = new Array("img/bg/inside1.jpg","img/bg/inside2.jpg","img/bg/inside3.jpg","img/bg/inside4.jpg","img/bg/inside5.jpg","img/bg/inside6.jpg")

	function pickimage()	{
		var bgimage=backgroundSrcs[(Math.round(Math.random()*(backgroundSrcs.length-1)))];

		document.getElementById("content").style.backgroundImage = "url('" + bgimage + "')";
	}
	
function init() {	
	SS_preloadImages('/graciebarra/mainsite/web/img/nav_on.jpg');	
	pickimage();
	
}