// Set slideShowSpeed (milliseconds)
var slideShowSpeed = 10000;

var start = 1;
var total = 2;
var current= 1;

function runSlideShow(idHeader)
{		
	var currentId = idHeader+current;
	
	for(var i = start; i <= total; i++)
	{
		var tmpID =  idHeader + i;
		if(tmpID == currentId)
			document.getElementById(tmpID).style.visibility = "visible";		
		else
			document.getElementById(tmpID).style.visibility = "hidden";
	}
   current = current+ 1;
    if (current > total) 
		current=start; 
    setTimeout("runSlideShow('"+ idHeader +"')", slideShowSpeed);
}