function gonav(newnav,arrow){
	var currnavname = '#content' + currnav;
	var newnavname = '#content' + newnav;
	var newarrow = '' + arrow +'px';
	var newrollover = '#' + newnav +'_on';
	var currrollover = '#' + currnav +'_on';

	if(currnav < newnav){ 
		$(newnavname).css("left","960px");	
		$(currnavname).animate({left:"-960px"}, 500);
		$(newnavname).animate({left:"0px"}, 500);
		$("#arrow").animate({"left":newarrow}, 500);		
		currnav = newnav;
	}
	if(currnav > newnav){
		$(newnavname).css("left","-960px");
		$(currnavname).animate({left:"960px"}, 500);
		$(newnavname).animate({left:"0px"}, 500);
		$("#arrow").animate({"left":newarrow}, 500);
		currnav = newnav;
	}
	$(currrollover).fadeOut(300, function(){$(newrollover).fadeIn(400)});
}