var elements=document.getElementById('navmenu').getElementsByTagName('a');
	for(i=0;i<elements.length;i++){
		j = elements[i].innerHTML;
		if(j=='Home'){
			elements[i].innerHTML='&nbsp;';
			elements[i].style.backgroundImage='url(/images/hmHome.gif)';
			elements[i].style.backgroundPosition='center';
			elements[i].style.backgroundRepeat='no-repeat';
		}
		if(j=='Introduction'){
			elements[i].innerHTML='&nbsp;';
			elements[i].style.backgroundImage='url(/images/hmIntroduction.gif)';
			elements[i].style.backgroundPosition='center';
			elements[i].style.backgroundRepeat='no-repeat';
		}
		if(j=='Products'){
			elements[i].innerHTML='&nbsp;';
			elements[i].style.backgroundImage='url(/images/hmProducts.gif)';
			elements[i].style.backgroundPosition='center';
			elements[i].style.backgroundRepeat='no-repeat';
		}
		if(j=='Projects'){
			elements[i].innerHTML='&nbsp;';
			elements[i].style.backgroundImage='url(/images/hmProjects.gif)';
			elements[i].style.backgroundPosition='center';
			elements[i].style.backgroundRepeat='no-repeat';
		}
		if(j=='News'){
			elements[i].innerHTML='&nbsp;';
			elements[i].style.backgroundImage='url(/images/hmNews.gif)';
			elements[i].style.backgroundPosition='center';
			elements[i].style.backgroundRepeat='no-repeat';
		}
		if(j=='Contact Us'){
			elements[i].innerHTML='&nbsp;';
			elements[i].style.backgroundImage='url(/images/hmContact.gif)';
			elements[i].style.backgroundPosition='center';
			elements[i].style.backgroundRepeat='no-repeat';
		}
	}
	
		if (count_refresh) {
		  var interval_id = setInterval(function auto_click() {
        index_refresh++;
        if (index_refresh >= count_refresh) {
          index_refresh = 0;
        }
        getBigPic(image_id_array[index_refresh]);
      }
      , 5000);
		}