//no of boxes to display
	var lsSlides = 6;
	//time a normal box to be visible
	var timeBox = 5000;
	//time the most important box to be visible
	var topTimeBox = 5000;
	//id of the most important box
	var lsTimerId = 0;
	var lsSlidePlay = 1;
	var lsCurrentSlide = 1;

function showSlide(showId, pause){
	var ctrlImg = document.getElementById('slide_control');
	if(pause == 1){
	    clearTimeout(lsTimerId);
	}
	var nextId = getNextSlide(showId);
	lsCurrentSlide = showId;

	for (i=1;i<=lsSlides;i++){
	  lsBox = document.getElementById("lshome_"+i);
	  if (i == showId)
	  {
		lsBox.style.display='';lsBox.style.visibility='visible';
	  	document.getElementById("lsa_"+i).style.display='none';
	  	document.getElementById("lsa_sel"+i).style.display='';
	  }
	  else
	  {
		lsBox.style.display='none';lsBox.style.visibility='hidden';
	  	document.getElementById("lsa_sel"+i).style.display='none';
	  	document.getElementById("lsa_"+i).style.display='';
	  }
	}
	if(pause == 0){
	    ctrlImg.src = '/images/slide_pause.gif';
	    if (nextId == 1){
		lsTimerId = setTimeout('showSlide('+nextId+', 0)', topTimeBox);
	    } else {
		lsTimerId = setTimeout('showSlide('+nextId+', 0)', timeBox);
	    }
	}else{
	    lsSlidePlay = 0;
	    ctrlImg.src = '/images/slide_play.gif';
	}
}

function getNextSlide(slideNo){
    if (slideNo<lsSlides){
        return slideNo+1;
    }else{
	return 1;
    }
}

function initSlideShow(){
	lsTimerId = setTimeout('showSlide(6, 0)', topTimeBox);
}
function controlSlide(){
    var ctrlImg = document.getElementById('slide_control');
    if(lsSlidePlay == 1){
        clearTimeout(lsTimerId);
	ctrlImg.src = '/images/slide_play.gif';
    }else{
        lsTimerId = setTimeout('showSlide('+getNextSlide(lsCurrentSlide)+', 0)',0);
	ctrlImg.src = '/images/slide_pause.gif';
    }
    lsSlidePlay = 1 - lsSlidePlay;
}