var scrllTmr;
window.onload = function(){
	//set style
	document.getElementById('a1').style.visibility = 'hidden';
	document.getElementById('a2').style.visibility = 'hidden';
	document.getElementById('a3').style.visibility = 'hidden';
}


function scrollStep(cw,w,lft){
	//calc and do step
	if(lft == -850)
		lft = 1480;
	document.getElementById('scrollme').style.left = lft + "px";
	
	//wait and do next...
	if(scrllTmr)
		clearTimeout(scrllTmr);
	scrllTmr = setTimeout('scrollStep(cw,w,' + (lft - 1) + ')',10);
}

function show(i){
	if(i==1){
		document.getElementById('a1').style.visibility = 'visible';
		document.getElementById('a2').style.visibility = 'hidden';
		document.getElementById('a3').style.visibility = 'hidden';
	}
	if(i==2){
		document.getElementById('a1').style.visibility = 'hidden';
		document.getElementById('a2').style.visibility = 'visible';
		document.getElementById('a3').style.visibility = 'hidden';
	}
	if(i==3){
		document.getElementById('a1').style.visibility = 'hidden';
		document.getElementById('a2').style.visibility = 'hidden';
		document.getElementById('a3').style.visibility = 'visible';
	}
	
}