// JavaScript Document
var arImg = Array(
					  Array( 'images/smallpicture3.gif', 'images/largepicture3.gif' ),
					  Array( 'images/smallpicture2.gif', 'images/largepicture2.gif' ),
					  Array( 'images/smallpicture.gif', 'images/largepicture.gif' )
				  );
var swapCnt = 0;
function swap() {

	if ( swapCnt == arImg.length ) swapCnt = 0;
	blendimage( 'tdsmallpicture', 'smallpicture', arImg[ swapCnt ][ 0 ], 'tdlargepicture', 'largepicture', arImg[ swapCnt ][ 1 ], 5000 );
	swapCnt++;
	setTimeout( 'swap()', 10000 );
}
function rotate() {
		
	// rotate through array continuously
	setTimeout( 'swap()', 5000 );
}

//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 blendimage(divid, imageid, imagefile, divid2, imageid2, imagefile2, 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 + ")"; 
	document.getElementById(divid2).style.backgroundImage = "url(" + document.getElementById(imageid2).src + ")"; 
     
    //make image transparent 
    changeOpac(0, imageid); 
    changeOpac(0, imageid2); 
     
    //make new image 
    document.getElementById(imageid).src = imagefile; 
    document.getElementById(imageid2).src = imagefile2; 

    //fade in image 
    for(i = 0; i <= 100; i++) { 
        setTimeout("changeOpac(" + i + ",'" + imageid + "')",(timer * speed)); 
        setTimeout("changeOpac(" + i + ",'" + imageid2 + "')",(timer * speed)); 
        timer++; 
    } 
} 
function MM_findObj(n, d) { //v4.01
  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 && d.getElementById) x=d.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='images/'+x.src; x.src='images/'+a[i+2];}
}
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='images/'+a[i];}}
}
browserName = navigator.appName;
browserVer = parseInt(navigator.appVersion);
        if (browserName == "Microsoft Internet Explorer" && browserVer >= 4) version = "n3";
        else version = "n2";
        if (browserName == "Netscape" && browserVer >= 3) version = "n3";

        if (version == "n3") {
		
	button_on = new Image(25,25)
	button_on.src = "images/button_on.gif"
	
	button_off = new Image(25,25)
	button_off.src = "images/button_off.gif"
	}
	
function openWin(url, width, height) {
          windowName  = "_blank";
          params      = "toolbar=0,";
          params     += "location=0,";
          params     += "directories=0,";
          params     += "status=0,";
          params     += "menubar=0,";
          params     += "scrollbars=1,";
          params     += "resizable=1,";
          params += "width="+width+",";
          params += "height="+height;

          win = window.open(url, windowName, params);
}