var DHTML = (document.getElementById || document.all || document.layers);

var imagestotal = 3;
var currentimage = 0;
var lastimage = 0;
var imagesarray = new Array('image1','image2','image3');

var bannertotal = 32;
var currentbanner = 0;
var lastbanner = 0;
var bannerarray = new Array('banner1','banner2','banner3','banner4','banner5','banner6','banner7','banner8','banner9','banner10','banner11','banner12','banner13','banner14','banner15','banner16','banner17','banner18','banner19','banner20','banner21','banner22','banner23','banner24','banner25','banner26','banner27','banner28','banner29','banner30','banner31','banner32');


function showlayer(layername)
{

if(!DHTML )
return;

	var layer = document.getElementById(layername);
	if (layer != null){
	    layer.style.visibility = 'visible'
	}
}

function hidelayer(layername)
{

if(!DHTML )
return;

	var layer = document.getElementById(layername);
	if (layer != null){
	    layer.style.visibility = 'hidden';
	}
}
function createlayer(layer)
{
    if(layer=="images"){
        currentimage++;
        if(currentimage>=(imagestotal) )
            currentimage=0;
        if(lastimage>=(imagestotal) )
	        lastimage = 0;
	//alert("lastimage  "+lastimage  +"currentimage "+currentimage );

        showlayer(imagesarray[currentimage]);
        hidelayer(imagesarray[lastimage]);
        lastimage  = currentimage ;
    }
    else{
        if(layer=="banner"){
            lastbanner = currentbanner;
            while(currentbanner== lastbanner){
	            currentbanner =Math.floor(Math.random()*bannertotal)
            }
            if(currentbanner>=(bannertotal) )
             currentbanner=0;
             if(lastbanner>=(bannertotal) )
	            lastbanner = 0;
	            //alert("lastbanner  "+lastbanner  +"currentbanner "+currentbanner);

            showlayer(bannerarray[currentbanner]);
            hidelayer(bannerarray[lastbanner]);
            lastbanner  = currentbanner ;
        }
    }
}

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];}}
}

//setInterval("createlayer('images')", 7000);
setInterval("createlayer('banner')", 5000);
//setInterval("createlayer('client')", 14000);

function makePOSTRequest(url, parameters) {
      http_request = false;
      if (window.XMLHttpRequest) { // Mozilla, Safari,...
         http_request = new XMLHttpRequest();
         if (http_request.overrideMimeType) {
            http_request.overrideMimeType('text/html');
         }
      } else if (window.ActiveXObject) { // IE
         try {
            http_request = new ActiveXObject("Msxml2.XMLHTTP");
         } catch (e) {
            try {
               http_request = new ActiveXObject("Microsoft.XMLHTTP");
            } catch (e) {}
         }
      }
      if (!http_request) {
          return false;
      }

      http_request.onreadystatechange = alertContents;
      http_request.open('GET', url, true);
      http_request.send(null);
   }

   	function alertContents() {
		if (http_request.readyState == 4) {
			if(http_request.status == 200){
			  document.getElementById("testimonials").innerHTML = http_request.responseText;
			}
		 	else {
            	alert('error');
         	}
      	}
   	}

function showTestimonials(html){
    document.getElementById('testimonials').innerHTML = html;    
}

function loadTestimonials(){
    makePOSTRequest('testimonials.htm','');
}