tot = catList.length;
i = 0;
function showText(){
	pos = findPos(document.getElementById('headerImg'));
	layer2Left = eval(pos[0]) + 120;
	layer2Top = eval(pos[1]) + 80;
	document.getElementById('headerText').style.position = "absolute"
	document.getElementById('headerText').style.top = layer2Top + "px";
	document.getElementById('headerText').style.left = layer2Left + "px";
	document.getElementById('headerText').style.display = 'block';
	setInterval("whichText()",2000);
}//edn fx

function whichText(){
	i = (i>=tot)?0:i;
	document.getElementById('headerText').innerHTML = catList[i];
	i++;
}//edn fx

function findPos(obj) {
	var curleft = curtop = 0;
	if (obj.offsetParent) {
		curleft = obj.offsetLeft
		curtop = obj.offsetTop
		while (obj = obj.offsetParent) {
			curleft += obj.offsetLeft
			curtop += obj.offsetTop
		}
	return [curleft,curtop];
	}
	else {
	    return [obj.x,obj.y];
	  }

}