var imgRotation = 1;
var tempImage   = "";
var tempLink		= "";

function objSlide(){
    this.Image = "";
    this.Link = "";
    this.active = true;
}

function getImage(){	
//  if (navigator.appVersion.indexOf("MSIE") != -1){
		imgRotation = imgRotation + 1
		if (imgRotation > 5) {
			imgRotation = 1
		}
//	}	
	
	var myObj  = eval("objSlide" + imgRotation)
	if (myObj.Image){	
			tempImage = "images/" + myObj.Image;
			tempLink = myObj.Link;
	}

	setTimeout("changeImage()", 12000);		
}

function getFade(){										 
	document.all.centerImage.style.filter = "progid:DXImageTransform.Microsoft.GradientWipe(duration=1, gradientsize=0.2, WipeStyle=1)";		 
	
/*
  fadeNumber = Math.round(Math.random()*15+1)	 
  switch (fadeNumber){
    case 1 : document.all.centerImage.style.filter = "progid:DXImageTransform.Microsoft.Inset(duration=2)"; break;
    case 2 : document.all.centerImage.style.filter = "progid:DXImageTransform.Microsoft.Fade(duration=2)"; break;
    case 3 : document.all.centerImage.style.filter = "progid:DXImageTransform.Microsoft.Barn(duration=2, motion='out', orientation='vertical')"; break;
    case 4 : document.all.centerImage.style.filter = "progid:DXImageTransform.Microsoft.gradientWipe(duration=2, gradientsize=0.25, WipeStyle=1)"; break;
    case 5 : document.all.centerImage.style.filter = "progid:DXImageTransform.Microsoft.gradientWipe(duration=2, gradientsize=0.25, WipeStyle=0)"; break;
    case 6 : document.all.centerImage.style.filter = "progid:DXImageTransform.Microsoft.Spiral(duration=2, GridSizeX=25, GridSizeY=25)"; break;
    case 7 : document.all.centerImage.style.filter = "progid:DXImageTransform.Microsoft.Wheel(duration=2, spokes=8)"; break;
    case 8 : document.all.centerImage.style.filter = "progid:DXImageTransform.Microsoft.Zigzag(duration=2, GridSizeX=25, GridSizeY=25)"; break;
    case 9 : document.all.centerImage.style.filter = "progid:DXImageTransform.Microsoft.Pixelate(duration=2, enabled='false')"; break;
    case 10 : document.all.centerImage.style.filter = "progid:DXImageTransform.Microsoft.RandomDissolve(duration=2)"; break;
    case 11 : document.all.centerImage.style.filter = "progid:DXImageTransform.Microsoft.Wheel(duration=2, spokes=2)"; break;		
		case 12 : document.all.centerImage.style.filter = "progid:DXImageTransform.Microsoft.Stretch(duration=2)"; break;		
		case 13 : document.all.centerImage.style.filter = "progid:DXImageTransform.Microsoft.Zigzag(duration=2, GridSizeX=5, GridSizeY=50)"; break;		
		case 14 : document.all.centerImage.style.filter = "progid:DXImageTransform.Microsoft.Strips(duration=2,motion='leftdown')"; break;		
		case 15 : document.all.centerImage.style.filter = "progid:DXImageTransform.Microsoft.Strips(duration=2, motion='rightdown')"; break;		
		default: document.all.centerImage.style.filter = "progid:DXImageTransform.Microsoft.RandomBars(duration=2)"
  }    
*/	
} 

function changeImage(){				 	
  if (navigator.appVersion.indexOf("MSIE") != -1){
   	getFade()  
		document.all.centerImage.src = lastimage
		document.all.centerImage.filters[0].Apply();     		                   
		document.all.centerImage.src = tempImage
		lastimage =  document.all.centerImage
		document.all.centerImage.filters[0].Play();			
		document.all.centerLink.href = tempLink	
	}	else{						
		var divid = "blenddiv";
		var imageid = "centerImage";
		var millisec = 750
		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 + ")";
		
		document.all.centerImage.src = lastimage	
		document.all.centerImage.src = tempImage;
		lastimage =  document.all.centerImage.src		
		document.all.centerLink.href = tempLink	
				 
    	//make image transparent
    	changeOpac(0, imageid);
    
    	//make new image
    	document.getElementById(imageid).src = tempImage;

    	//fade in image
    	for(i = 0; i <= 100; i++) {
    	    setTimeout("changeOpac(" + i + ",'" + imageid + "')",(timer * speed));
	        timer++; 
	    }	
	}
	setTimeout("getImage()", 500);	
}				 
	   
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 MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.0
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && document.getElementById) x=document.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}