var autoDiv = 1;
var activeDiv = 0;
var activationTimer = setInterval('changeDiv(10)', 8500);

function sp_swap(tabname, iHowMany) {
	if (iHowMany > 0) {
		for (i = 0; i < iHowMany; ++i) {
			document.getElementById('feature' + i).style.display = 'none';
		}

		document.getElementById(tabname).style.display = 'block';
	}
}

function sp_swap2(tabname, iHowMany) {
	sp_swap(tabname, iHowMany);
	sp_autodiv(0); 
}

function changeDiv(iHowMany) {
	if (autoDiv == 1) {
		activeDiv = (activeDiv + 1) % iHowMany;
		sp_swap('feature'+ activeDiv, iHowMany);
	}
}

function sp_autodiv(i) {
	autoDiv = i;
}

function preload() {
 	/*
	var brochure = new Array();
 	var pics = preload.arguments;
 	var dir = 'images/featurebg_' 
 	for (i=0;i<pics.length;i++) {
  		brochure[i] = new Image();
  		brochure[i].src = dir + pics[i] + '.jpg'; 
 	
 	}*/
}

function addLoadEvent(func) {
  var oldonload = window.onload;
  if (typeof window.onload != 'function') {
    window.onload = func;
  } else {
    window.onload = function() {
      if (oldonload) {
        oldonload();
      }
      func();
    }
  }
}

addLoadEvent(function() {
 	preload('1','2','3','4','5','6','7','8','9','0');
});