var aboutus_tab = "ourmission";

var currentPagenum = 1;

function setNumber(srcObj)
{
 if ((srcObj+ "_num" + currentPagenum) != srcObj.id)
 {
    srcObj.style.cursor = "Pointer";
    srcObj.className = "setPagenum";
 }
}


function resetNumber(srcObj)
{
if ((srcObj + "_num" + currentPagenum) != srcObj.id)
 {    
    srcObj.className = "resetPagenum";
 }
}

function setAboutUs(srcTab, srcSubTab)
{
    aboutus_tab = srcTab;
    document.getElementById("ourmission_content").style.display = "none";
    //document.gtElementById(srcTab + "_content").style.display = "none";
    document.getElementById("ourprocess_content").style.display = "none";
    document.getElementById("testimonials_content").style.display = "none";
    document.getElementById("clientlist_1_content").style.display = "none";
    document.getElementById("clientlist_2_content").style.display = "none";
    document.getElementById("employment_positionsavailable_content").style.display = "none";
    document.getElementById("employment_applynow_content").style.display = "none";
    
    if (srcTab == "clientlist")
    document.getElementById("clientlist_pagenum").style.display = "block";
   // document.getElementById("clientlist_2").className = "setPagenum";
    else
    document.getElementById("clientlist_pagenum").style.display = "none";
    
    if (srcSubTab == "")
    document.getElementById(srcTab + "_content").style.display = "inline"; 
    else
    document.getElementById(srcTab + "_" + srcSubTab + "_content").style.display = "inline"; 
    
    document.getElementById("ourmission").style.backgroundImage = "url('images/aboutus/ourmission.jpg')";
    document.getElementById("ourprocess").style.backgroundImage = "url('images/aboutus/ourprocess.jpg')";
    document.getElementById("testimonials").style.backgroundImage = "url('images/aboutus/testimonials.jpg')";
    document.getElementById("clientlist").style.backgroundImage = "url('images/aboutus/clientlist.jpg')";
    document.getElementById("employment").style.backgroundImage = "url('images/aboutus/employment.jpg')";
  //  document.getElementById("positionsavailable").style.backgroundImage = "url('images/aboutus/positionsavailable.jpg')";
   // document.getElementById("applynow").style.backgroundImage = "url('images/aboutus/applynow.jpg')";
        
    document.getElementById(srcTab).style.backgroundImage = "url('images/aboutus/" + srcTab + "_over.jpg')";
    
    if (srcTab == "employment")
    {
        document.getElementById(srcSubTab).style.backgroundImage = "url('images/aboutus/" + srcSubTab + "_over.jpg')";
    }
    
    
    if (srcSubTab == "1"  || srcSubTab == "2")
    {
    document.getElementById("overall_container").style.backgroundImage = "url('images/bg/common_bg.jpg')";
    }
    else if (srcSubTab == "positionsavailable" || srcSubTab == "applynow")
       {
        document.getElementById("overall_container").style.backgroundImage = "url('images/bg/employment_" + srcSubTab + "_bg.jpg')";
    }
    else
    {
    document.getElementById("overall_container").style.backgroundImage = "url('images/bg/" + srcTab + "_bg.jpg')";
    }
    if(srcSubTab != "")
    {
   // srcObj = clientlist;
    document.getElementById(srcTab+ "_" + srcSubTab).style.display = "block";
    
document.getElementById("ourmission_num1").className = "resetPagenum";
document.getElementById("ourmission_num2").className = "resetPagenum";
document.getElementById("ourmission_num3").className = "resetPagenum";
document.getElementById("ourprocess_num1").className = "resetPagenum";
document.getElementById("ourprocess_num2").className = "resetPagenum";
document.getElementById("ourprocess_num3").className = "resetPagenum";
document.getElementById("clientlist_num1").className = "resetPagenum";
document.getElementById("clientlist_num2").className = "setPagenum";
//document.getElementById("clientlist_num3").className = "resetPagenum";
    }
    else
    {
    document.getElementById("ourmission_num1").style.display = "none";
    //document.getElementById("clientlist_num1").className = "resetPagenum";
    //document.getElementById("clientlist_num2").className = "setPagenum";
    }
    
}

function hoverAboutUsImg(objSrc, imgURL)
{
    if (aboutus_tab != objSrc.id)
    {
        objSrc.style.backgroundImage = "url('images/" + imgURL + "')";
        objSrc.style.cursor = "Pointer";
    }
}

function normalAboutUsImg(objSrc, imgURL)
{
    if (aboutus_tab != objSrc.id)
    {
        objSrc.style.backgroundImage = "url('images/" + imgURL + "')";
    }
}

function openWebsite(webURL)
{
    window.open (webURL, "_blank");
}


<!-- testimonial page |||| Hide from old browsers-->


	var i = 1
	images = new Array
	images[1] = "images/aboutus/testimonials/custom web design company - test1.jpg"
	images[2] = "images/aboutus/testimonials/custom web design company - test2.jpg"
	images[3] = "images/aboutus/testimonials/custom web design company - test3.jpg"
	images[4] = "images/aboutus/testimonials/custom web design company - test4.jpg"
	images[5] = "images/aboutus/testimonials/custom web design company - test5.jpg"
	images[6] = "images/aboutus/testimonials/custom web design company - test6.jpg"
	
	

function gallery(){
	if (i == 1){
		/*document.gallery.previous.value="       "*/
		document.getElementById("previous").style.backgroundImage = "";
	
		}
}
function previmg(){
	if (i != 1) {
		i --
		document.img.src = images[i]
		/*document.gallery.next.value = "Next"}
		document.gallery.next.value = "Next"*/
		document.getElementById("next").style.backgroundImage = "url('images/home/rightarrow.gif')";
		/*document.getElementById("previous").style.backgroundImage = "url('images/home/leftarrow.gif')";*/

		
		}
	if (i == 1)
	 {
		/*document.gallery.previous.value="        ";*/
		document.getElementById("previous").style.backgroundImage = "";
		
		}

}

function nextimg(){
	if (i != 6) {
		i ++
		/*document.gallery.previous.value="Previous"*/
		document.getElementById("previous").style.backgroundImage = "url('images/home/leftarrow.gif')";
		image = images[i]
		document.img.src = image
		}
	if (i == 6)
	{
		/*document.gallery.next.value="    ";*/
		document.getElementById("next").style.backgroundImage ="";
		
		}
}

function pickrand(){
	var imagenumber = 6 ;
	var randomnumber = Math.random() ;
	var rand1 = Math.round( (imagenumber-1) * randomnumber) + 1;
	var randimage = images[rand1]
	document.img.src = randimage
	i = rand1
	if (i == 1){
		/*document.gallery.previous.value="        ";*/
		document.getElementById("previous").style.backgroundImage = "";
		}
	else {
		document.gallery.previous.value="Previous";
		}
	if (i == 6){
		/*document.gallery.next.value="    ";*/
		document.getElementById("next").style.backgroundImage = "";
		}
			else {
		document.gallery.next.value="Next";

		
		}
}

  <!-- ends testimonial page |||| Hide from old browsers-->