var TSslides = new Array("tsslide1","tsslide2","tsslide3","tsslide4");
var linkSlide = new Array("link1","link2","link3","link4");
var total_TSslides = TSslides.length;
var first_slide = 0;
var last_slide = TSslides.length - 1;
var slide_ctr = 0;
var slide_flg = "N";
var current_slide;
var current_slideName;
var previous_slide;
var next_slide;
var tmr;
startSlideShow(slide_ctr);

function startSlideShow(slide_ctr)
{
	current_slide = slide_ctr;
	for(i=0; i < TSslides.length; i++)
	{
		current_slideName = TSslides[slide_ctr];
		if(current_slideName == TSslides[i])
		{
			showSlide(TSslides[i],"visible","block",linkSlide[i]);					//Show the slide
			setSlideShowTime();
		}
		else
		{
			showSlide(TSslides[i],"hidden","none",linkSlide[i]);					//Hide the slide			
		}
	}
}
function setSlideShowTime()
{
	slide_ctr++;
	if(slide_ctr < 0)	{ slide_ctr = last_slide; }
	if(slide_ctr >= TSslides.length)	{ slide_ctr = first_slide; }
	tmr = setTimeout("startSlideShow(slide_ctr)",3000);								// alert(tmr);
}
function showSlide(slideName,paramVisibility,paramDisplay,linkId)
{
	if(document.getElementById)	//Supported by [IE 6+][Opera 7.5+][Mozilla Firefox 1.0+][NS 7.2+]
	{
		document.getElementById(slideName).style.visibility = paramVisibility;
		document.getElementById(slideName).style.display = paramDisplay;
		if(paramVisibility == "visible"){
			document.getElementById(linkId).className = 'bannerClickA';
		}
		else{
			document.getElementById(linkId).className = 'bannerClickN';		
		}
	}
	else if(document.all)		//Supported by [IE 6+][Opera 7.5+]
	{
		document.all[slideName].style.visibility = paramVisibility;
		document.all[slideName].style.display = paramDisplay;
		if(paramVisibility == "visible"){
			document.getElementById(linkId).className = 'bannerClickA';
		}
		else{
			document.getElementById(linkId).className = 'bannerClickN';		
		}
	}
	else if(document.layers)	//Supported by [NS 4.7]
	{
		if(paramVisibility == "visible") { paramVisibility = "show"; } else { paramVisibility = "hide"; }
		document.layers[slideName].visibility = paramVisibility;
		document.layers[slideName].display = paramDisplay;
		if(paramVisibility == "visible"){
			document.getElementById(linkId).className = 'bannerClickA';
		}
		else{
			document.getElementById(linkId).className = 'bannerClickN';		
		}
	}
}