row=1
	maxRow = 3

function next_div(){
	if ( row == maxRow ) {
		
		return;
	}

	idName = "div" + row.toString();
	var e = document.getElementById(idName).style,d = e.display;
	e.display = "none";
	row = row +1;
	newIdName = "div" + row.toString();
	var f = document.getElementById(newIdName).style,d = e.display;
	f.display="block";
}

function prev_div() {
	if ( row == 1 ) {
		return;
	}
	idName = "div" + row.toString();
	var e = document.getElementById(idName).style,d = e.display;
	e.display = "none";
	row = row -1;
	newIdName = "div" + row.toString();
	var f = document.getElementById(newIdName).style,d = e.display;
	f.display="block";
}

window.onload=next_div;  //load the carousel on-load