function opacity(id, opacStart, opacEnd, millisec) {
	//speed for each frame
	var speed = Math.round(millisec / 100);
	var timer = 0;

	//determine the direction for the blending, if start and end are the same nothing happens
	if(opacStart > opacEnd) {
		for(i = opacStart; i >= opacEnd; i--) {
			setTimeout("changeOpac(" + i + ",'" + id + "')",(timer * speed));
			timer++;
		}
	} else if(opacStart < opacEnd) {
		for(i = opacStart; i <= opacEnd; i++)
			{
			setTimeout("changeOpac(" + i + ",'" + id + "')",(timer * speed));
			timer++;
		}
	}
}

//change the opacity for different browsers
function changeOpac(opacity, id) {
	var object = document.getElementById(id).style; 
	object.opacity = (opacity / 100);
	object.MozOpacity = (opacity / 100);
	object.KhtmlOpacity = (opacity / 100);
	object.filter = "alpha(opacity=" + opacity + ")";
}

function shiftOpacity(id, millisec) {
	//if an element is invisible, make it visible, else make it ivisible
	if(document.getElementById(id).style.opacity == 0) {
		opacity(id, 0, 100, millisec);
	} else {
		opacity(id, 100, 0, millisec);
	}
}

function blendimage(divid, imageid, imagefile, millisec) {
	var speed = Math.round(millisec / 100);
	var timer = 0;
	
	//set the current image as background
	document.getElementById(divid).style.backgroundImage = "url(" + document.getElementById(imageid).src + ")";
	//alert (divid);
	var strTEMP = document.getElementById(divid);
	strTEMP.innerHTML = '<div align="center"><object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=8,0,0,0" width="715" height="203" id="FLVPlayer">    <param name="movie" value="FLVPlayer_Progressive.swf" /><param name="salign" value="lt" /><param name="quality" value="high" /><param name="scale" value="noscale" /><param name="FlashVars" value="&MM_ComponentVersion=1&skinName=Clear_Skin_1&streamName=elements/flash/ravenscraig-logo-small&autoPlay=true&autoRewind=true" />embed src="FLVPlayer_Progressive.swf" flashvars="&MM_ComponentVersion=1&skinName=Clear_Skin_1&streamName=elements/flash/ravenscraig-logo-small&autoPlay=true&autoRewind=true" quality="high" scale="noscale" width="715" height="203" name="FLVPlayer" salign="LT" type="application/x-shockwave-flash" pluginspage="http://www.adobe.com/shockwave/download/download.cgi?P1_Prod_Version=ShockwaveFlash" /></object></div>';
	
	//make image transparent
	changeOpac(0, imageid);
	
	//make new image
	document.getElementById(imageid).src = imagefile;

	//fade in image
	for(i = 0; i <= 100; i++) {
		setTimeout("changeOpac(" + i + ",'" + imageid + "')",(timer * speed));
		timer++;
	}
}

function currentOpac(id, opacEnd, millisec) {
	//standard opacity is 100
	var currentOpac = 100;
	
	//if the element has an opacity set, get it
	if(document.getElementById(id).style.opacity < 100) {
		currentOpac = document.getElementById(id).style.opacity * 100;
	}

	//call for the function that changes the opacity
	opacity(id, currentOpac, opacEnd, millisec)
}



var image="";
var banners=0;
function cycle() {
  if (++banners > 3) banners=1;
    loadbanners();
    //document.getElementById('header').src = image;
	//opacity('image-header', 0, 100, 1000)
	blendimage('image-header', 'header', image, 1000);
    window.setTimeout('cycle();',5000);
  }
function loadbanners() {
   if (banners==1)
      {
      image="elements/gallery-images/020.jpg";
      }
   if (banners==2)
      {
      image="elements/gallery-images/086.jpg";
      }
   if (banners==3)
      {
      image="elements/gallery-images/015.jpg";
      }
   if (banners==4)
      {
      image="elements/main-images/mainimage-kids-on-grass.jpg";
      }
   
}